Tuesday, Oct 30

Monday, April 28OAA Review

Complete questions from pages 13 to including 22, omit #39 (page 22).

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OAA Review25. A reasonable prediction would be a slightly smaller time than the prior year.

Since 2004 has a time of 53.84, what choice is slightly smaller?

Answer: C

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OAA Review Stadium Zoo4:004:004:104:164:204:324:304:484:405:044:505:205:005:365:105:525:20

The next time both trains will leave at the same time will be 5:20pm.

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OAA Review27. Perpendicular means at 90 degree angles. Which figure has 90 degree angles?

Answer: B

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OAA ReviewWeekSavings1$452 $70 (+$25 from week 1)3$95 (+$25 from week 2)4$120 (+$25 from week 3)

The difference in his savings is a +$25 each week. This is a constant rate of increase.Answer :B

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OAA Review 8 x (1 + ) 8 x 2 64 x 2 128

Answer: D

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OAA ReviewA ratio of 1 to 3, or 1:3, means the similar triangle will be 3 times the size. If the base of Triangle PQR is 4 units, the base of the larger triangle will be 4 x 3, or 12 units. Which of the answers have a triangle with a base of 12?

Answer: D

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OAA Review 25 ft 15ftOriginal Space Perimeter = 25 + 25 + 15 + 15 = 80 ft 50 ft

New Space Perimeter = 30 ft50 + 50 + 30 + 30 = 160ft

The new play space will have a perimeter twice the original (2x), or 80 ft larger. Original SpaceNew SpaceOAA Review 25 ft 15ftOriginal Space Area = 25 x 15 = 375 ft 50 ft

New Space Area = 30 ft50 x 30 = 1500 ft

The new play space will have an area 4 times larger than the original. Original SpaceNew SpaceOAA Review

OAA Review32. 4 7/8 is about 5 inches. You can cut four 5 inch pieces from a 20 inch long piece. Or 20 5 = 4

Answer :B

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It looks like park received about of the votes.

80 x = 10 students

Answer: B

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Dramas: action8:6, simplified to 4:3

Answer :C

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$450 3$ 300 = 2 =

150%

Answer: C

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OAA ReviewThe circle graph makes it easier to see how a fraction of students eating one type of food compares to all of the students. The bar graph makes it easier to see the number of students eating the different foods.

The bar graph also shows the actual numbers and the circle graph shows the percents.

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Answer: D

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$120 $ x 1.5 hrs = 6 hrs

120 x 6 1.5 = $480

Answer: A

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A = bhA = 30 in 26 inA = 780 in

Answer: D

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A = bh 2

A = 30 in 26 in 2

A = 390 in

Answer: C

OAA ReviewAgenda Notes Homework Homework Practice CH 2bDue Tuesday, April 29

OAA Practice Test Monday May 5

OAA Math Test -Thursday, May 8

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