Question 1 Evaluate |-4| - |-3|.

Question 2 Megan’s dog gained weight and then lost weight. The number of pounds her dog gained and then lost is represented by the expression |6| + |-3|. How many pounds did Megan’s dog gain and lose?

Question 3 Find -6 + (-3).

Question 4 Find -34 + (-21).

Question 5 Find 11 + (-4) + (-11).

Question 6 Max owes his brother $20. He gives his brother $10 one week and then the next week he gives $5. Write an addition expression to describe the situation. Then find the sum and explain its meaning.

Question 7 Find -13 – 8.

Question 8 Find 12 – (-6).

Evaluate a – b if a = -10 and b = 4. Question 9 Evaluate a – b if a = -10 and b = 4.

Question 10 In Mongolia, the temperature can fall to -45º Celsius in January. The temperature in July many reach 40º Celsius. Find the difference between the two temperatures in Mongolia.

Question 11 Find -3(9).

Question 12 Find (-8)2.

Question 13 Find (-2)(-5)(-6).

Question 14 A mine elevator descends at a rate of 300 feet per minute. What integer represents the depths of the elevator in relation to Earth’s surface after 5 minutes?

Question 15 Find 51 ÷ (-3).

Question 16 Find −40 −8 .

Question 17 Evaluate -18 ÷ x if x = -2.

Question 18 An October newspaper headline read that the total value of stocks held by Japanese financial institutions dropped from $987 billion to $900 billion in 6 weeks. What was the average change in value per week?

1 9 pounds -9 -55 -4 -20 + 10 + 5; -$5 Max still owes his brother $5. -21 18 -14 85º C -27 64 -60 -1,500 feet -17 5 9 -$14.5 billion Answers