Adding and Subtracting Integers (Pre-Test)

What equation is modeled?

• 6 + -6 = -6

• -6 + 6 = 12

• 6 + -12 = -6

What is the expression for the number line?

• 6 + (-3)
• (-3) + 6
• 6 + (-9)

Tags

CCSS.7.NS.A.1B

Use the number line to find the sum.

3 + (-12) =

• -9

• 9

Use the number line to find the sum.

-4 + (-5) =

• -9

• 9

Which addition equation goes with this image?

• (+6) + (-3) = (+3)

• (-6) + (+3) = (-3)

Which equation is represented by this model?

• -4 + (-3) = -7

• 4 + (-3) = 1

What expression does the model show?

Red = negative

Yellow = positive

• -7 + 4

• 7 + (-4)

• 7 + 4

John had a balance of $38 in his bank account. He withdrew $22. Write an expression that represents the word problem above.

• $38 + $22

• $38 - $22

The record high temperature in January was 18 degrees. The record low temperature was - 7 degrees. What is the difference between the high and low temperatures?

• 25 degrees

• 11 degrees

The football team gained 9 yards on their first play. On the next play they lost 17 yards. By how many yards did their position change?

• -8

• 8

• 26