1. Unit 1 Review SpringBoard Math

2. The water temperature was 86 degrees and the temperature decreased by 9 degrees. Which of the following number sentences represents this change? 1)86+9 2)-9 + 86 3)86 + (-9) 4)9 - 86

3. Which of the following statements explains why the sum of 9 + (-9) is zero? 1)Don spent $9 at Coney Island and an additional $9 at the roller rink the next day. 2)Don was given $9 for his birthday and spent $9 at Walmart. 3)Don received 9 dollars for baby- sitting and also received 9 dollars for cutting the grass. 4)Don gave $9 to a friend and paid $9 for movie tickets and candy at the movies.

4. What expression does this number line represent? 1)11 + (-10) 2)11 + 10 3) (-11) + 10 4)(-11) + (-10)

5. Rewrite 15 – (-7) as an addition expression. 1) 15 + (-7) 2)(-15) + 7 3) (-15) + (-7) 4) 15 + 7

6. Use the properties of operations to solve: (-5) + 0 + ½ + (- ½ ) + ¼ 1)-5 ¼ 2)-4 ¾ 3)-4 ½ 4)-5 ½

7. Which of the following expressions shows the associative property of addition? 1)(3 +5.5) + 4 = 3 + (5.5 + 4) 2)46 + 0 = 46 3)46 * 9 + 10 4)(10 + 9) = (9 +10)

8. Billy’s account had a balance of (-$85.92). He deposited $125.00, and then withdrew $15.45. What is his new account balance? 1.$39.08 2.$23.63 3.(-$39.08) 4.(-$23.63)

9. Solve ¾ + 1/6 without a calculator 1)11/12 2) 2/5 3) 1/6 4) 3/24

10. When throwing paper airplanes, Cindy’s plane went 12 ¾ feet and Elliott’s plane went 17 ½ feet. What is difference between the two planes? 1)5 ¼ feet 2)29 ½ feet 3)4 ¾ feet 4)13 feet

11. Sara and Steve went for a hike. They began at an elevation of (-145) feet and they ended at an elevation of 205 feet. What was the change in elevation during their hike? 1)350 feet 2)60 feet 3)145 feet 4)205 feet

12. Solve the problem represented on this number line. 1)4 2)(-9) 3)0 4)(-5)

13. Evaluate the expression: (- ¾ ) + ½ 1) 1 ¼ 2)¼ 3) (- ¼ ) 4) (-1 ¼ )

14. Evaluate the expression: (-6.4) – (-3.52) 1) (-2.88) 2) (-9.92) 3) 2.88 4) 9.92

15. Evaluate the following expression: 5.5 + 0 – (-6.7) – 4.3 1.(-5.5) 2.12.2 3.(-11) 4.7.9