Monday, April 28 OAA Review Complete questions from pages 13 to including 22, omit #39 (page 22).

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Presentation transcript:

Monday, April 28 OAA Review Complete questions from pages 13 to including 22, omit #39 (page 22).

OAA Review

25. 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

OAA Review

26. Stadium Zoo4:00 4:104:16 4:204:32 4:304:48 4:405:04 4:505:20 5:005:36 5:105:52 5:20 The next time both trains will leave at the same time will be 5:20pm.

OAA Review

27. Perpendicular means at 90 degree angles. Which figure has 90 degree angles? Answer: B

OAA Review

28. WeekSavings 1$45 2 $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

OAA Review

29. 8² x (1 ½ + ½) 8² x 2 64 x Answer: D

OAA Review

30. A 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

OAA Review

ft 15ft Original Space Perimeter = = 80 ft 50 ft New Space Perimeter = 30 ft = 160ft The new play space will have a perimeter twice the original (2x), or 80 ft larger. Original Space New Space

OAA Review ft 15ft Original Space Area = 25 x 15 = 375 ft² 50 ft New Space Area = 30 ft 50 x 30 = 1500 ft² The new play space will have an area 4 times larger than the original. Original Space New Space

OAA Review

/8 is about 5 inches. You can cut four 5 inch pieces from a 20 inch long piece. Or 20 ÷ 5 = 4 Answer :B

OAA Review

It looks like park received about of the votes. 80 x = 10 students Answer: B

OAA Review

Dramas: action 8:6, simplified to 4:3 Answer :C

OAA Review

$450 3 $ 300 = 2 = 150% Answer: C

OAA Review

The 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.

OAA Review

Answer: D

OAA Review

$120 $ x 1.5 hrs = 6 hrs 120 x 6 ÷ 1.5 = $480 Answer: A

OAA Review

A = bh A = 30 in · 26 in A = 780 in² Answer: D

OAA Review A = bh ÷ 2 A = 30 in · 26 in 2 A = 390 in² Answer: C

OAA Review Agenda Notes – Homework – Homework Practice CH 2b Due Tuesday, April 29 OAA Practice Test – Monday May 5 OAA Math Test -Thursday, May 8