Ch 2.2.1, 2.2.2 & 2.2.3 Review

Match the integer addition problem with the graph.

• 4 + (-5) = -1
• -5 + 4 = -1
• 4 + (-5) = 0
• None of these

Look at the number line.

• –2 + 4 =  –2
• –2 + (–4) =  –6
• 4 + (–6) =  –2
• 4 + (–2) =  6

Match the integer addition problem with the graph.

• 6 + (-2) = 6
• -2 + 6 = 0
• 6 + (-2) = 4
• None of these.

Use the counters to find the sum of the integers. 

• -5
• -7
• 5
• 7

• 7
• 5
• -7
• -5

Bob lost 5 points on page one of his math test and he lost 9 points on page two of his math test.  Which equation best describes Bob progress on his math test?

• 5 + 9 = 14
• -5 + -9 = -4
• -5 + -9 = -14
• 5 + -9 = -4

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

• -9 + (-22) = -13
• 9 + (-22) = 13
• 9 + (-22) = -13
• none

 A soccer team is having a car wash. The team spent $55 on supplies. They earned $275, including tips. The team’s profit is the amount the team made after paying for supplies. Write a sum of integers that represents the team’s profit.

• -55 + 275 = -220
• none
• 55 + 275 = 220
• -55 + 275 = 220

-5 + 9 = ?