Name: ____________________________ Period: ____________
Advanced Unit 2:
NUMBER SYSTEM
CW-HW Packet
Chapter Questions
1. Draw a Venn Diagram showing the Number System
2. Explain what absolute value represents.
3. Create an owing money example for comparing two negative numbers.
4. Explain how you can use absolute value to add rational numbers.
5. Why can rational number subtraction problems be turned into addition problems?
6. Why are the rules for multiplying and dividing rational numbers the same?
This is a non-calculator
unit!
Page 2 of 38
Number System
Classwork – Show any work in the packet or on lined paper. No calculators! 1. Name 5 integers. __________________________________________
2. Name 5 numbers that are rational but not integers. __________________________________________
3. What is the opposite of 20? __________________________________________
4. What is the opposite of -13.5? __________________________________________
5. Write a number to represent each situation:
a. The temperature falls 5½ degrees. ______________________
b. The team gains 25 yards. ______________________
c. You deposit $100.75 in your savings account. ______________________
d. You withdraw $75.13 dollars from your savings account. ______________________
e. The mountain is 1,500 feet above sea level. ______________________
6. Using the scoring system in the game of Jeopardy (you earn points for correct
responses and lose points for incorrect responses) what would be the final score after the following 5 responses:
a. Player 1 answers a 200 point question correct, a 150 point question wrong, a 50
point question correct, a 150 point question wrong, and 100 point question
correct. _________________________________________
b. Player 2 answers a 100 point question wrong, a 50 point question correct, a 100
point question correct, a 150 point question correct and 200 point question
wrong. _________________________________________
c. Player 3 gets a 200 point question correct, a 200 point question wrong, a 50
point question wrong, a 150 point question correct and a 200 point question
correct. _________________________________________
7. Use the Jeopardy scoring system and create a sequence of 5 answers that would give
you the following scores. (Questions can be worth 50, 100, 150, or 200 points each).
a. 300 points:________________________________________________________________________________
____________________________________________________________________________________________
b. -50 points: ________________________________________________________________________________
____________________________________________________________________________________________
c. 0 points: __________________________________________________________________________________
____________________________________________________________________________________________
Page 3 of 38
Homework – Show any work in the packet or on lined paper. No calculators! 8. What is the opposite of -50? ______________________
9. What is the opposite of 11.3? ______________________
10. What is the opposite of 2? ______________________
11. What is the opposite of -7.98? ______________________
12. Write a number to represent each situation:
a. The temperature rises 11.8 degrees. ______________________
b. The submarine dives 125 feet below sea level. ______________________
c. The team loses 15 yards. ______________________
d. You earn $35.25 babysitting. ______________________
e. A company loses $12,150.13 in a month. ______________________
13. Use the Jeopardy scoring system and create a sequence of 5 answers that would give you the following scores. (Questions can be worth 50, 100, 150, or 200 points each).
a. -150 points:_______________________________________________________________________________ ____________________________________________________________________________________________
b. 400 points :_______________________________________________________________________________
____________________________________________________________________________________________
c. 0 points :__________________________________________________________________________________
____________________________________________________________________________________________
Page 4 of 38
Absolute Value
Classwork – Show any work in the packet or on lined paper. No calculators! 14. Find:
a. │-12│= ______________________
b. │3
125 │ = ______________________
c. │-47.27│ = ______________________
d. │7
511 │ = ______________________
15. Which numbers have the number given as their absolute value?
a. 150 _______________________________
b. 75.47 _______________________________
c. 14½ _______________________________
d. 1250.3 _______________________________
16. How would you explain to a new student how to find the absolute value of -10 and +10? _____________________________________________________________________________________________________ _____________________________________________________________________________________________________ _____________________________________________________________________________________________________ _____________________________________________________________________________________________________
Page 5 of 38
Homework – Show any work in the packet or on lined paper. No calculators! 17. Find:
a. │9
213 │ = ______________________
b. │-35.74│ = ______________________
c. │-55│ = ______________________
d. │3½ │ = ______________________
18. Which numbers have the number given as their absolute value?
a. 72 _______________________________
b. 4
128 _______________________________
c. 155.35 _______________________________
d. 2500 _______________________________
19. How would you explain to a new student how to find the absolute value of 27.8 and -27.8?
_____________________________________________________________________________________________________
_____________________________________________________________________________________________________
_____________________________________________________________________________________________________
_____________________________________________________________________________________________________
Page 6 of 38
Comparing and Ordering Integers
Classwork – Show any work in the packet or on lined paper. No calculators! 20. Place the appropriate inequality symbol between the following pairs of integers:
a. 3 _______ -7
b. -8.75 _______ -10.3
c. 12 _______ -11
d. 7½ _______ 7½
e. -4 _______ 0
f. 0 _______ 3.5 21. Draw a number line and mark and label points for these numbers:
4.3, -7, 5, 0, -2.7, 1.8, -4.1
22. Draw a number line and mark and label points for these numbers:
-15.1, 0, 2
17 , 4, -3.8, -1.2, 9
23. If the temperature reading on a thermometer is 12°C, what will the new reading be if
the temperature:
a. Falls 15.3° _______________________________
b. Rises 3° _______________________________
c. Falls 5
212 ° _______________________________
24. If the temperature reading on a thermometer is -7°C, what will the new reading be if the
temperature:
a. Falls 3.9° _______________________________
b. Rises 9
85 ° _______________________________
c. Rises 9° _______________________________
Page 7 of 38
Homework – Show any work in the packet or on lined paper. No calculators! 25. Place the appropriate inequality symbol between the following pairs of integers:
a. 25 _______ -25
b. -30.3 _______ -30.3
c. 5
215 _______
5
215
d. -99.8 _______ -100.1
e. -5.75 _______ 0
f. 0 _______ -1
26. Draw a number line and mark and label points for these numbers:
15.2, -3½ , 0, 3
112 , -9, 7.8, 11
27. Draw a number line and mark and label points for these numbers:
-9.25, 1, 0, -3, 9.5, -1, 3
18
28. If the temperature reading on a thermometer is 5°C, what will the new reading be if the temperature:
a. Falls 15½ ° _______________________________
b. Rises 3.8° _______________________________
c. Falls 12° _______________________________
29. If the temperature reading on a thermometer is -10°C, what will the new reading be if the temperature:
a. Falls 3.9° _______________________________
b. Rises 5° _______________________________
c. Rises 9.12° _______________________________
Page 8 of 38
Adding Rational Numbers
Classwork – Show any work in the packet or on lined paper. No calculators!
30. Show the addition problem on a number line, and give the answer.
a. 4 + 2.5 = ______________________
b. 4 + (-2.5) = ______________________
c. -4 + 2.5 = ______________________
d. -4 + (-2.5) = ______________________
e. -4 + 4 = ______________________
31. Decide whether the statements below are always true, sometimes true, or always false. Give examples to support your answer.
a. The sum of two positive numbers is a positive number.
_________________________________________________________________________________________________
_________________________________________________________________________________________________ _________________________________________________________________________________________________
b. The sum of a negative number and a positive number is a positive number.
_________________________________________________________________________________________________
_________________________________________________________________________________________________
_________________________________________________________________________________________________
c. The sum of two negative numbers is a negative number. _________________________________________________________________________________________________ _________________________________________________________________________________________________ _________________________________________________________________________________________________
Page 9 of 38
32. Explain the absolute values approach to solving a problem adding and positive and a negative number. _____________________________________________________________________________________________________ _____________________________________________________________________________________________________ _____________________________________________________________________________________________________ _____________________________________________________________________________________________________
33. Find the sum.
a. 2.3 + (-4.8) = ______________________
b. -5 + (-6) = ______________________
c. -6 + 4 = ______________________
d. -10.9 + (-10.9) = ______________________
e. -8.23 + 8.23 = ______________________
f. 5 + (-5) = ______________________
g. -3 + 0 = ______________________
h. )2
14(
3
25 = ______________________
i. 4½ + (-3) = ______________________
j. -7 + 10 = ______________________
k. 25.8 + (-30) = ______________________
l. -40.32 + (-25) = ______________________
m. 5
525 + (-110) = ______________________
n. 35 + (-22) = ______________________
o. -250.3 + (-27.25) = ______________________
Page 10 of 38
34. Write three different addition problems that have a sum of:
a. 15 ______________________ ______________________ ______________________
b. 42 ______________________ ______________________ ______________________
c. -27
______________________ ______________________ ______________________
d. -3 ______________________ ______________________ ______________________
Page 11 of 38
Homework – Show any work in the packet or on lined paper. No calculators! 35. Show the addition problem on a number line, and give the answer.
a. -6.2 + (-4) = ______________________
b. -6.2 + 4 = ______________________
c. 6.2 + 4 = ______________________
d. 6.2 + -4 = ______________________
e. 6.2 + -6 = ______________________
36. Explain the absolute values approach to solving a problem adding two positives or two negatives. _____________________________________________________________________________________________________ _____________________________________________________________________________________________________ _____________________________________________________________________________________________________ _____________________________________________________________________________________________________
37. Find the sum.
a. -7 + 2 = ______________________
b. -2.3 + (-4.8) = ______________________
c. -1 + 8 = ______________________
d. )7(3
15
______________________
e. -2 + 9 = ______________________
f. -3 + (-8) = ______________________
g. -7 + 7 = ______________________
h. 0 + (-8.95) = ______________________
Page 12 of 38
i. -5.86 + 1 = ______________________
j. -9.3 + (-9.3) = ______________________
k. -75.9 + 78.2 = ______________________
l. -61 + (-32) = ______________________
m. 11.5 + (-98.5) = ______________________
n. )5
261(
5
453 = ______________________
o. -34.8 + (-82.6) = ______________________
38. Write three different addition problems that have a sum of:
a. -12
______________________ ______________________ ______________________
b. 5 ______________________ ______________________ ______________________
c. -20 ______________________ ______________________ ______________________
d. 33
______________________ ______________________ ______________________
Page 13 of 38
Turning Subtraction into Addition
Classwork – Show any work in the packet or on lined paper. No calculators! 39. Decide whether the statements below are always true, sometimes true, or always false.
Give examples to support your answer.
a. The difference when a negative number is subtracted from a positive number is a negative number. ____________________________________________________________________________________________ ____________________________________________________________________________________________
b. The difference when a negative number is subtracted from a negative number is a negative number. ____________________________________________________________________________________________ ____________________________________________________________________________________________
40. Convert the following subtraction problems into addition problems then find the sum.
a. -10 – 4 = ______________________ = ______________________
b. 12 – (-2) = ______________________ = ______________________
c. -5.8 – (-2.9) = ______________________ = ______________________
d. -12 – 3 = ______________________ = ______________________
e. 10.75 – 14 = ______________________ = ______________________
f. )2
17(
8
315
= ______________________ = ______________________
g. -1 – (-3) = ______________________ = ______________________
h. -2½ – 5 = ______________________ = ______________________
i. 5.6 – (-4.72) = ______________________ = ______________________
j. -2.8 – (-4.3) = ______________________ = ______________________
Page 14 of 38
k. 55.12 – (-20.34) = ______________________ = ______________________
l. -100 – (-99) = ______________________ = ______________________
m. -30.6 – 30.6 = ______________________ = ______________________
n. 45 - (-45) = ______________________ = ______________________
o. -175 – 30 = ______________________ = ______________________
41. Write three subtraction problems that have a difference of:
a. 4 ______________________ ______________________ ______________________
b. 17 ______________________ ______________________ ______________________
c. -19 ______________________ ______________________ ______________________
d. -2 ______________________ ______________________ ______________________
Page 15 of 38
Homework – Show any work in the packet or on lined paper. No calculators! 42. Convert the following subtraction problems into addition problems then find the sum.
a. -5 – (-4) = ______________________ = ______________________
b. 4.5 – (-3.3) = ______________________ = ______________________
c. -11.9 – 5.1 = ______________________ = ______________________
d. -3 – 5 = ______________________ = ______________________
e. -7.2 – (-2) = ______________________ = ______________________
f. 3
19
4
15 = ______________________ = ______________________
g. 3.12 – (-3.12) = ______________________ = ______________________
h. -2.4 – (-2.4) = ______________________ = ______________________
i. 7 – (-10) = ______________________ = ______________________
j. 9 – (-2½ ) = ______________________ = ______________________
k. 50 – (-25) = ______________________ = ______________________
l. -35.7 – 20.4 = ______________________ = ______________________
m. -100 – 99 = ______________________ = ______________________
n. 63 – (-33) = ______________________ = ______________________
o. -150 – 50 = ______________________ = ______________________
43. Write three subtraction problems that have a difference of:
a. 14 ______________________ ______________________ ______________________
b. -22 ______________________ ______________________ ______________________
c. -9 ______________________ ______________________ ______________________
d. 23 ______________________ ______________________ ______________________
Page 16 of 38
Adding and Subtracting Rational Numbers Review
Classwork – Show any work in the packet or on lined paper. No calculators! 44. 3.8 + (-8.5) = ______________________
45. 6 – (-4) = ______________________
46. (-9) – (-4) = ______________________
47. 3
15
5
27 = ______________________
48. -4.6 – (-2.6) = ______________________
49. -4 -10 = ______________________
50. 7
25
7
46 ______________________
51. -2 -7.8 = ______________________
52. -9 + 10 = ______________________
53. 8.65 + (-10) = ______________________
54. 2 – (-10.3) = ______________________
55. )4
12(
4
38 ______________________
56. -1 - 0 = ______________________
57. 8
310
8
15 ______________________
58. -1.9 – (-2.73) = ______________________
59. -6 + 2 = ______________________
60. 4½ + 1½ = ______________________
61. 0 – (-3.8) = ______________________
Page 17 of 38
62. -8 – (-2) = ______________________
63. -5 + (-6) = ______________________
64. )2
128(
4
352 ______________________
65. -41.3 + 53.2 = ______________________
66. )5
194(
5
214 ______________________
67. -28 + (-9) = ______________________
68. -88.88 – (-44.44) = ______________________
69. 4
121
8
571 ______________________
70. 38 + (-64) = ______________________
71. -71.3 + 21.6 = ______________________
72. 38 – (-64) = ______________________
73. -5 – 21 = ______________________
Page 18 of 38
Homework – Show any work in the packet or on lined paper. No calculators! 74. -8 + 6 = ______________________
75. -3.5 – 6.8 = ______________________
76. 7 + (-3) = ______________________
77. -8.3 – (-2.75) = ______________________
78. )3
210(
3
17 ______________________
79. -1 + (-3) = ______________________
80. )7
26(
7
41 ______________________
81. -6.9 + (-1.4) = ______________________
82. -2 – (-7) = ______________________
83. 3.9 + (-6.5) = ______________________
84. )6
22(
6
22 ______________________
85. )4
18(
4
15 ______________________
86. 2.4 – (-1.8) = ______________________
87. -1 – 8 = ______________________
88. -10 + 10 = ______________________
89. 4½ – 9 = ______________________
90. -2.9 + 1.24 = ______________________
91. 7 – (-7) = ______________________
92. -4 + (-2) = ______________________
93. -7 + 4 = ______________________
Page 19 of 38
94. 33.8 – (-58.4) = ______________________
95. 25 + (-49) = ______________________
96. 4
355
4
151 ______________________
97. 49 + (-69) = ______________________
98. 40.5 – (-2.6) = ______________________
99. 0 – (-92) = ______________________
100. -15.6 + 73.9 = ______________________
101. -60 – (-58) = ______________________
102. 71.7 + (-95.2) = ______________________
103. 50 -76 = ______________________
Page 20 of 38
Multiplying Rational Numbers
Classwork – Show any work in the packet or on lined paper. No calculators! 104. Show and solve the following multiplication problems on a number line:
a. 3(3) = ______________________
b. 2(-3.5) = ______________________
c. 5(-2) = ______________________
105. (7)(-2) = ______________________
106. (8)(-3) = ______________________
107. (-8)(7) = ______________________
108. (6)(8) = ______________________
109. (3)(-7) = ______________________
110. (1)(7) = ______________________
111. (0)(-9) = ______________________
112. (-2.5)(-2.1) = ______________________
113. (8.5)(-9.4) = ______________________
114. (-4.79)(-1) = ______________________
115. (-7.12)(8) = ______________________
116. (8.45)(-6) = ______________________
117. (1.001)(-1.1) = ______________________
118. (-9.75)(-5) = ______________________
119. (4.21)(-9.2) = ______________________
120. (1)(-5.786) = ______________________
Page 21 of 38
121. )2
16(
3
15 ______________________
122. )3
11(
4
12 ______________________
123. )0(8
57 ______________________
124. )4
14(
5
26 ______________________
125. )10(8
116 ______________________
126. )8
415(3 ______________________
127. (-33)(-13) = ______________________
128. (-77)(4) = ______________________
129. (20)(-40) = ______________________
Page 22 of 38
Homework – Show any work in the packet or on lined paper. No calculators! 130. Show and solve the following multiplication problems on a number line:
a. 2(3.5) = ______________________
b. 3(-2) = ______________________
c. 4(-3) = ______________________
131. (-1)(-8) = ______________________
132. (1)(-2) = ______________________
133. (-7)(8) = ______________________
134. (9)(1) = ______________________
135. (-6)(3) = ______________________
136. (2)(-5) = ______________________
137. (0)(-5) = ______________________
138. (7)(-3) = ______________________
139. (-8)(-2) = ______________________
140. (-5.21)(-5.3) = ______________________
141. (-9.12)(-7) = ______________________
142. (-5.8)(3.1) = ______________________
143. (4.87)(-1) = ______________________
144. (4.4)(4.4) = ______________________
145. (-2.86)(9.2) = ______________________
146. (9.3)(-9.3) = ______________________
147. (-6.2)(-9.1) = ______________________
148. (6.34)(2) = ______________________
Page 23 of 38
149. )4
34(
5
16 ______________________
150. )3
25(
5
14 ______________________
151. )51(5
262 ______________________
152. )60(3
213 ______________________
153. )6
18(
2
136 ______________________
154. )80(8
34 ______________________
155. (-10)(45) = ______________________
Page 24 of 38
Dividing Rational Numbers
Classwork – Show any work in the packet or on lined paper. No calculators! 156. Show the following division problems on a number line:
a. 10 ÷ 2 = ______________________
b. -12 ÷ 3 = ______________________
c. -9 ÷ 3 = ______________________
157. -45 ÷ 5 = ______________________
158. 56 ÷ 8 = ______________________
159. -12 ÷ -6 = ______________________
160. 7 ÷ -7 = ______________________
161. -9 ÷ 1 = ______________________
162. -6 ÷ -6 = ______________________
163. 0 ÷ -4 = ______________________
164. -18 ÷ -9 = ______________________
165. 27 ÷ 9 = ______________________
166. 3.5 ÷ -0.5 = ______________________
167. -5.525 ÷ 8.5 = ______________________
168. -63.84 ÷ -9.12 = ______________________
169. -36.9 ÷ 9 = ______________________
170. 6.6 ÷ -3.3 = ______________________
171. -40.8 ÷ -5.1 = ______________________
172. -1.63 ÷ -1.63 = ______________________
173. 0 ÷ -13.24 = ______________________
Page 25 of 38
174. -61.992 ÷ 7.2 = ______________________
175. )4
36(
4
120 ______________________
176. )4
16(
4
156 ______________________
177. )8
34(
4
126 ______________________
178. )5
44(15 ______________________
179. )4
313(
2
127 ______________________
180. )2
14(26 ______________________
181. -4230 ÷ -90 = ______________________
Page 26 of 38
Homework – Show any work in the packet or on lined paper. No calculators! 182. 5 ÷ -1 = ______________________
183. 24 ÷ 4 = ______________________
184. -3 ÷ -3 = ______________________
185. 0 ÷ 3 = ______________________
186. -10 ÷ 2 = ______________________
187. -6 ÷ 3 = ______________________
188. -40 ÷ -8 = ______________________
189. -4 ÷ 2 = ______________________
190. -25 ÷ -5 = ______________________
191. 49.2 ÷ -8.2 = ______________________
192. -78.72 ÷ 6 = ______________________
193. -2.4 ÷ -4 = ______________________
194. 0.128 ÷ 3.2 = ______________________
195. -1.53 ÷ 51 = ______________________
196. -1.92 ÷ -1.92 = ______________________
197. 6.64 ÷ -8 = ______________________
198. 57.6 ÷ -8 = ______________________
199. )4(5
35 ______________________
200. )3
23(
3
214 ______________________
201. )8
18(
8
324 ______________________
Page 27 of 38
202. )8
34(35 ______________________
203. )4
12(
2
15 ______________________
204. 20÷ -6 = ______________________
205. -212 ÷ -53 = ______________________
206. 4050 ÷ 75 = ______________________
Page 28 of 38
Operations with Rational Numbers
Classwork – Show any work in the packet or on lined paper. Circle your final answers. No calculators! 207. )3(515
208. [-2 – (-3)] + [4(-9 – 3)] 209. (-8 – 4 + 6)[-7(5 – 9)]
210. -3(4.4) + [-8 – (-3)(2)]
211. )8.2(36.15
212. 820
)25.3(452
213. )2
14)(
4
13()
2
114(3
214. )]3
12
3
14(3
5
18[23
Page 29 of 38
Homework – Show any work in the packet or on lined paper. Circle your final answers. No calculators! 215. )4(624
216. [(-5) + (-3)] + [(-5)(-2 – 4)]
217. [-7 – (-3) + 5] [-3(7 – 11)]
218. -3.2(2.8) + [-2 – (-5)(-3)]
219. )7.1)(3(4.17
220. )20(16
)7.3)(4.2(42
221. )4
12)(4()
4
11
4
32(7
222. )]7
22
7
25(3
5
28[32
Page 30 of 38
Converting Rational Numbers to Decimals
Classwork Convert each Rational Number to Decimal Form. Show any work in the packet or on lined paper. Circle your final answers. No calculators!
223. 9
4
224. 6
16
225. 8
321
226. 11
2
227. 4
311
228. 8
56
229. 3
14
Page 31 of 38
Homework Convert each Rational Number to Decimal Form. Show any work in the packet or on lined paper. Circle your final answers. No calculators!
230. 6
5
231. 9
14
232. 8
715
233. 11
7
234. 4
323
235. 8
32
236. 6
25
Page 32 of 38
Unit Review
Multiple Choice Questions
Choose the correct answer for each question. No partial credit will be given. Show any work in the packet or on lined paper. No calculators! 1. What is the opposite of 5?
a) 5 b) -5 c) 0
2. What is │23
│?
a) 23
b) -23
c) 0
3. What is │-7│? a) 7 b) -7 c) 0
4. -11 -10
a) b) = c)
5. -20.0 -19.9
a) b) = c)
6. -9 -9 ¼
a) b) = c)
7. If the temperature reading on a thermometer is -5°C, what will the new reading be if the
temperature rises 8.4°C? a) -13.4°C b) -3.4°C c) 3.4°C d) 13.4°C
Page 33 of 38
8. A submarine is cruising at -40 meters (40 meters below the surface). It descends 20
meters; then it rises 15
meters. What is the submarine’s new depth?
a) 8315 m
b) 4160 m
c) 8744 m
d) None of the above
9. The temperature in North Dakota was 5°C at 4 A.M. It had risen 13°C since midnight.
What was the temperature at midnight? a) -8°C b) -4°C c) 8°C d) 18°C
10. Convert the subtraction problem into an addition problem. 10 – (- 5)
a) -10 + 5 b) -10 + (-5) c) 10 + 5 d) 10 + (-5)
11. Convert the subtraction problem into an addition problem. 8.75 – 4.3
a) -8.75+ 4.3 b) -8.75 + (-4.3) c) 8.75 + 4.3 d) 8.75 + (-4.3)
12. Simplify: -12 + 6 – (-3)
a) -3 b) -9 c) 9 d) 3
13. Simplify: 10 + (-2) – (-17) – 5
a) 25 b) 20 c) -14 d) 14
14. Simplify: -1 + 3.1(4 –6)
a) 0.1 b) -2.1 c) -1.1 d) -7.2
Page 34 of 38
15. Simplify: 6 – 4[(5 ½)(-4) + (-3 ¼)] a) -95.25 b) -95 c) -50.5 d) 107
Short Constructed Response Questions Write the correct answer for each question. No partial credit will be given. Show any work in the packet or on lined paper. No calculators! 16. Name the two numbers that have 10 as their absolute value _________________ In Questions 17-18, use a number line to illustrate the given problem. 17. -6 + 7 = ______________________ 18. 9 + -3 = ______________________ 19. Simplify. Show each step.
3
⌈ (2 ) (
2
7 ( 3
3
7))⌉
20. Convert the fraction into a decimal. Show all work.
2
Page 35 of 38
Extended Constructed Response Questions Solve the problem, showing all work in the packet. Partial credit may be given. 21. Mike had a balance of $175 in his bank account at the start of the week. He withdrew
$65.00 on Monday, $43.25 on Wednesday, and $56.45 on Thursday. On Friday he deposited $165.30.
At the end of the week, does Mike have more or less money in his savings account than he had at the beginning of the week?
How much more or less? Show all of your work to support your answers.
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22. In the first quarter of the game, the Giants gained 5 yards, lost 13 yards, gained 2 yards, gained 6 yards and, unfortunately, lost 12 yards in their final play.
Use a number line to depict the Giants’ activity in the first quarter. Use addition only to illustrate the Giants’ activity in the first quarter. What was the net yardage for the Giants in the first quarter?
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23. The temperature varied greatly throughout the evening. Mary’s bug farm cannot survive if the temperature falls below 32°C at any time. The evening temperature was consistently 62 degrees, until a storm passed through the town. The temperature dropped 24°, dropped another 5°, rose 2°, dropped 11°, and rose 9°.
Illustrate the temperature changes throughout the night using only addition What was the lowest temperature of the night? Did the bug farm survive the night? Explain your answer.
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24. The test was worth 100 points. Each multiple choice question was worth 3 points, each short answer was worth 4 points and each extended response question was worth 5 points. There was a bonus question worth points. Mark’s answers contained incorrect responses to the following: 2 multiple choice, 2 short answer, 1 extended response. Mark’s answer to the bonus question was correct. Mark hoped to earn at least a “B” on the test, which means his score had to be between 80 – 89.
How many points did Mark lose due to incorrect answers? Did Mark earn a “B” as he had hoped? What would Mark’s score have been if his extended response answer was
correct and he had one more multiple choice answer incorrect?