Semester Exam Review

Which addition equation matches the problem modeled below?

• -6 + (-9) = 3
• -6 + 9 = 3
• -6 + 3 = 9
• 9 + (-3) = -6

Which equation represents the 2-color counters shown in the image?

• -4 + 5 = -1
• 4 -5 = -1
• 4 + (-5)= -9
• -5 - 4 = -9

Which addition equation matches the problem modeled below?

• -2 + -4 = -6
• 2 + -4 = -2
• 4 + 2 = 6

• -4 + 5 = -1
• 4 + -5 = -1
• 4 + -5 = -9

What is a zero pair? 

• Two negatives
• Two positives
• One negative, one positive

When adding negative numbers on a number line, you move to the ____________.

• Right
• Left

What equation is modeled?

• 6 + -6 = -6
• -6 + 6 = 12
• 6 + -12 = -6
• -12 + 6 = -6

When adding positive numbers on a number line, you move to the ____________.

• Right
• Left

Use the number line to find the sum.
1 + (-8) =

• -7
• 7
• -9
• 9

Use the number line to find the sum.
-8 + 3 =

• -5
• 5
• -11
• 11