Mid-Chapter Check Find, round to the nearest tenth, if necessary. 1. 10.22 ÷ 14 2. 59.84 ÷ 32 3. 751.2 ÷ 25 4. 6271 ÷ 4
Transcript
Slide 1
Mid-Chapter Check Find, round to the nearest tenth, if
necessary. 1. 10.22 14 2. 59.84 32 3. 751.2 25 4. 6271 4
Slide 2
Mid-Chapter Check Find, round to the nearest tenth, if
necessary. 1. 10.22 14
Slide 3
Mid-Chapter Check Find, round to the nearest tenth, if
necessary. 1. 10.22 14 = 0.7 00.73 14)10.22 -98 42 -42 00 14, 28,
42, 56, 70, 84, 98
Slide 4
Mid-Chapter Check Find, round to the nearest tenth, if
necessary. 2. 59.84 32
Slide 5
Mid-Chapter Check Find, round to the nearest tenth, if
necessary. 2. 59.84 32 = 1.9 01.87 32)59.84 -32 278 -256 224 32,
64, 96, 128, 160, 192, 224, 256
Slide 6
Mid-Chapter Check Find, round to the nearest tenth, if
necessary. 3. 751.2 25
Slide 7
Mid-Chapter Check Find, round to the nearest tenth, if
necessary. 3. 751.2 25 = 30.0 030.04 25)751.20 -75 0120 25, 50, 75,
100, 125, 150, 175, 200, 225
Slide 8
Mid-Chapter Check Find, round to the nearest tenth, if
necessary. 4. 6271 4
Slide 9
Mid-Chapter Check Find, round to the nearest tenth, if
necessary. 4. 6271 4 = 1567.8 1567.75 4)6271.0 -4 22 -20 27 -24 31
-28 30 -28 20 4,8,12,16,20,24,28,32,36,40,44,48,52,56,60
Slide 10
Flashcards
Slide 11
Wednesday, Oct 16 Lesson 3.8 Divide Decimals by Decimals
Slide 12
Objective: To understand how to estimate and divide decimals by
decimals.
Slide 13
Divide Decimals by Decimals When dividing a decimal by a
decimal, change the divisor to a whole number. To do this, move the
decimal in both the divisor and dividend to the right. Then divide
as before.
Slide 14
Divide Decimals by Decimals Find 1.71 0.9 Estimate?
Divide Decimals by Decimals Find 1.71 0.9 Divide a decimal by a
decimal. Step 1 Place the numbers in the dividing bracket.
0.9)1.71
Slide 17
Divide Decimals by Decimals Find 1.71 0.9 To Divide a decimal
by a decimal Step 2 Move the decimal point to the right in both
numbers so the divisor is a whole number. 09.)17.1
Slide 18
Divide Decimals by Decimals Find 1.71 0.9 = 1.9 To Divide a
decimal by a decimal Step 3 Divide as before. You can drop decimal
point and the zero in front of the divisor. 1.9 9 )17.1 -9 81 -81
00
Slide 19
Divide Decimals by Decimals Find 2.64 0.6 Estimate?
Divide Decimals by Decimals Frank made $ 98.20 last week. Erin
made $51.20 last week. How many times as much money did Frank make
as Erin? Round to the nearest tenth. (Do this on your own)
Slide 37
Divide Decimals by Decimals Frank made $ 98.20 last week. Erin
made $51.20 last week. How many times as much money did Frank make
as Erin? Round to the nearest tenth. 1.9 as much 0001.91
51.20)98.20 = 5120)9820.00 -5120 47000 -46080 9200
Slide 38
Divide Decimals by Decimals Agenda Notes Homework Homework
Practice 3-8 Due Thursday, Oct 17 Must show all work. Chapter 3
Test Friday, Oct 18 Help session Thursday, Oct 17 2:15-3PM