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Comprehensive Overview of OAA Review Questions and Solutions

This document provides a detailed review of OAA questions covering pages 32 to 39. It includes notes on reflection across the x-axis, calculating areas, understanding ratios, and the order of operations in mathematical expressions. Key concepts such as volume and dimensionality are discussed, along with homework assignments and upcoming test dates. Answers to specific problems are provided for clarity, aiding in preparation for the upcoming OAA Math Test.

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Comprehensive Overview of OAA Review Questions and Solutions

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  1. Wednesday, April 30 OAA Review Complete questions from pages 32 to including 39. Page 34 , #45 Answer D is 1:6

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  3. OAA Review • Answer: C

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  5. OAA Review The most reasonable answer is $100. Answer: C

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  7. OAA Review Reminder – when you reflect across the x-axis, the x numbers stay the same. Original Reflections Points Points M (0,4) M₁ (0,-4) N (2,5) N₁ (2,-5) O (2,3) O₁ (2,-3) P (2,2) P₁ (2,-2)

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  9. OAA Review 1st 10 weeks +1 inch per week 11/12 weeks +2 inches per week 13th week + 1 inch per week Answer:B

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  11. OAA Review A = 9cm² P = 12 cm A = 8cm² P = 12 cm Answer: B

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  13. OAA Review 12 in 12 in The ratio of the small windowpane height to large window height is 12:36, or 1:3 Answer : C 12 in

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  15. OAA Review Double the previous number and add 1. Answer: C

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  17. OAA Review Compare the bases. 6 = 12 · x = x The smaller triangle is 1/2 times the size as the larger one. Since RS is 8, LM must be half of 8. Answer: B

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  19. OAA Review 10 – 4 ÷ 0.5 + 4 Divided first because division comes before addition or subtraction in the order of operations. 10 – 8 + 4 Next is subtraction or addition from left to right. 2 + 4 Then add. 6 Order of operations for this expression: divide, subtract, and then add. Solution is 6.

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  21. OAA Review 31 Model 12 = 4 21 A 8 = 4 41 B 8 = 2 3 C 8 3 D 3 = 1 Answer: A

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  23. OAA Review Since the floor is 2 dimensional, we are needing the area. Answer: A

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  25. OAA Review 2nd Avenue view

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  27. OAA Review 2nd Ave view 3rd Ave view

  28. OAA Review The view from 3rd Ave is a reflection of the view from 2nd Ave. 2nd Ave view 3rd Ave view

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  30. OAA Review 35,000 – 45,000 = -10,000 Answer: A

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  32. OAA Review The space inside an object is the volume. Answer: D

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  34. OAA Review The covers are parallel. The spine is perpendicular to the covers. Answer: C

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  36. OAA Review 0.6 + 0.6 + 0.6 Or 3 x 0.6 Answer: C

  37. OAA Review Agenda Notes – Homework – Homework Practice CH 4b Due Thursday, May 1 OAA Practice Test – Monday May 5 OAA Math Test -Thursday, May 8

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