Adding and Subtracting Integers

When adding integers with the SAME sign...

• The sign stays the same
• The sign becomes the opposite
• the sign becomes positive
• the sign becomes negative

Tags

CCSS.7.NS.A.1C

When adding integers with DIFFERENT signs...

• you take the sign of the smaller absolute value
• you take the sign of the larger absolute value
• the sign becomes positive
• the sign becomes negative

Tags

CCSS.7.NS.A.1C

-9 + (-5)

• -14
• 14
• -4

10 + (-4) = ?

• -6
• 6
• 14
• -14

-22 + (-9)

• -11
• -31
• 11
• 31

-7 - 2

• -9
• 9
• 5
• -5

19 - (-19)

• 0
• 36
• 26
• 38

-2 - (-10) = ?

• -12
• 12
• 8
• -8

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