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Midterm Review

Midterm Review. Question 1 - 10. What is the twelfth perfect square?. Answer 1 – 10. 144. Question 1 - 20.

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Midterm Review

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  1. Midterm Review

  2. Question 1 - 10 • What is the twelfth perfect square?

  3. Answer 1 – 10 • 144

  4. Question 1 - 20 • You place a 3-3/8 pound weight on the left side of a balance scale and a 1-3/5 pound weight on the right side. How much weight do you need to add to the right side to balance the scale?

  5. Answer 1 – 20 • 1-31/40 pound weight

  6. Question 1 - 30 • Use all the symbols and numbers below to write an expression that has a value of 70. ( ) x + 2 10 5

  7. Answer 1 – 30 • ( 2 + 5 ) x 10

  8. Question 1 - 40 • The prime factorizations of 2 numbers are listed below. Use this information to determine the GCF of the 2 numbers. 2 x 2 x 3 x 5 x 7 2 x 2 x 3 x 5 x 5

  9. Answer 1 – 40 • 60

  10. Question 1 - 50 • Hot dogs come in packs of 10, while buns come in packs of eight. What are the least numbers of packs you should buy in order to have the same number of hot dogs and buns?

  11. Answer 1 – 50 • 4 packs of hot dogs and 5 packs of buns

  12. Question 2 - 10 • You exercise for 3/4 of an hour. You jump rope for 1/3 of that time. What fraction of the hour do you spend jumping rope?

  13. Answer 2 – 10 • 1/4 of the hour

  14. Question 2 - 20 • What number completes the statement below? 7 ÷ ____ = 56

  15. Answer 2 – 20 • 1/8

  16. Question 2 - 30 • How many 1-3/5 inch thick books can fit on a 14-1/2 inch long bookshelf?

  17. Answer 2 – 30 • 9 books

  18. Question 2 - 40 • Find the sum, difference, product and quotient of 18.72 and 0.09. You may not change the order of the numbers.

  19. Answer 2 – 40 • Sum 18.81 • Difference 18.63 • Product 1.6848 • Quotient 208

  20. Question 2 - 50 • Without multiplying, how many decimal places does 3.74 have?

  21. Answer 2 – 50 • 4

  22. Question 3 - 10 • Identify the term(s), coefficient(s), and constant(s) in the expression below. 12 + 4x + y + 5x2

  23. Answer 3 – 10 • Terms 12, 4x, y, 5x2 • Coefficients 4, 1, 5 • Constant 12

  24. Question 3 - 20 • Write the expression “5.2 · y · y · y · y” using exponents.

  25. Answer 3 – 20 • 5.2y4

  26. Question 3 - 30 • Write an expression for the phrase below. Then evaluate when x = 5 and y = 20. 6 less than the product of x and y

  27. Answer 3 – 30 • xy – 6 • Answer 94

  28. Question 3 - 40 • Factor the expression below using the GCF. 12x + 20y

  29. Answer 3 – 40 • 4(3x + 5y)

  30. Question 3 - 50 • Write and simplify an expression for the perimeter of the rectangle below. 3x + 2 2x

  31. Answer 3 – 50 • 10x + 4 units

  32. Question 4 - 10 • How are perimeter and area different?

  33. Answer 4 – 10 • Perimeter measures a distance around the shape. Area measures the space covered by the shape.

  34. Question 4 - 20 • Find the area of the shaded region.

  35. Answer 4 – 20 • 62 square feet

  36. Question 4 - 30 • A triangle and a parallelogram have the same length base of 8 cm and the same area of 56 square cm. What is the height of the triangle?

  37. Answer 4 – 30 • 14 cm

  38. Question 4 - 40 • The triangle and the trapezoid have the same area. Base2 is twice the length of base1. What are the lengths of the bases of the trapezoid?

  39. Answer 4 – 40 • 7 cm and 14 cm

  40. Question 4 - 50 • The vertices of a sandbox are P(12, 14), Q(12, 17), R(16, 17), and S(16, 14). The coordinates are measured in feet. What is the perimeter of the sandbox?

  41. Answer 4 – 50 • 14 feet

  42. Question 5 - 10 • You and a friend make a total of 45 bird houses. Use the tape diagram to find how many bird houses you make.

  43. Answer 5 – 10 • 15 birdhouses

  44. Question 5 - 20 • Describe and correct the error made in the ratio table.

  45. Answer 5 – 20 • 8 was subtracted from each instead of maintaining the 2 to 1 ratio.

  46. Question 5 - 30 • A deli sells a sandwich spread for $6.40 per pound. How much do you have to pay for 24 ounces of the spread?

  47. Answer 5 – 30 • $9.60 Remember: There are 16 oz in a pound so 24 oz would be 1 ½ pounds.

  48. Question 5 - 40 • At the age of 4 months, a puppy’s weight is 275% of its weight at the age of 2 months. How many times heavier is the puppy at 4 months than at 2 months? Write your answer as a mixed number in simplest form.

  49. Answer 5 – 40 • 2-3/4 times heavier

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