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Thursday, April 24

Thursday, April 24. OAA Review Complete questions from pages 2 to including 12, omit #18. OAA Review. OAA Review. 1. 0.25 x 0.3 = 0.075 Answer: A Reminder - when you multiply two numbers that are less than one, the product will always be less than one. OAA Review. OAA Review.

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Thursday, April 24

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  1. Thursday, April 24 OAA Review Complete questions from pages 2 to including 12, omit #18.

  2. OAA Review

  3. OAA Review 1. 0.25 x 0.3 = 0.075 Answer: A Reminder - when you multiply two numbers that are less than one, the product will always be less than one.

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  5. OAA Review Answer: C The surface area is the outside of the toy box. What if you wanted to know how much paint the toy box would hold what measure would you choose?

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  7. OAA Review An isosceles triangle has two sides that are the same length and two angles that are same. What type of triangle has all the same sides and angles? What type of triangle has no equal sides and angles?

  8. OAA Review • An easy way to remember: Equilateral = all three sides and angles are equal Isosceles = two equal sides and angles Scalene -= no equal sides and angles. They are in alphabetical order from greatest to least.

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  10. OAA Review 4. 4² ÷ (8 - 4) Step 1 : 4² ÷ 4 Step 2 : 16 ÷ 4 Step 3 : 4 Answer: D

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  12. OAA Review 5. 85 x 8 = 680 Answer: D Reminder when estimating items such as tile, it is better to over estimate than under estimate.

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  14. OAA Review The focus is to use words to describe the pattern. The answer should describe the extended pattern. For 2 points- Add current figure number and the number of dots from the last figure. Or, Current figure number + previous number of dots = total number of dots for current figure.

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  16. OAA Review Associative Property states it does not matter how numbers are grouped when adding or multiplying. Answer: C Generally, with Associative Property the order of the terms does not change.

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  18. OAA Review Notice the three blocks stacked on the left. Only one answer has this. Answer: D

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  20. OAA Review The key word is “fractional”. Which graph show fractions? Answer: C

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  22. OAA Review For 2 points Sam’s Music $240 x .3 = $72 The discount is $72, so $240-$72 = $168 Melody Music $240 - $45 = $195 At Sam’s Music the guitar would cost $168, which is the better deal.

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  24. OAA Review The modes are 4 and 7. Answer: C

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  26. OAA Review 6b + 12 v 6 · 4 + 12 · 5 24 + 60 = 84 Answer: D

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  28. OAA Review Answer: C 13 8 8 2 2 2 189 6 1 13 6

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  30. OAA Review To determine the length of each side, the sides were divided by 10, which gave an 8 X 5 rectangle. 1 unit = 10 meters 8 5

  31. OAA Review Sample answer – One block equals 10 meters. To determine the length of each side, the sides were divided by 10, which gave an 8 X 5 rectangle. For 4 points 8 5

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  33. OAA Review 5 + 3 + 1 + 2 = 11 Answer: C

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  35. OAA Review 4x + 18 = 38 4x + 18 = 38 -18 = -18 4x = 20 4x = 20 4 4 x = 5 Answer: A

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  37. OAA Review 12: 1, 2, 3, 4, 6, 12 30: 1, 2, 3, 5, 6, 10, 15, 30 Answer: C

  38. OAA Review Agenda Notes – Homework – Homework Practice CH 1b Due Friday, April 25 OAA Math Test Thursday, May 8

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