Adding Integers

Which expression matches the model?

Tags

CCSS.7.NS.A.1C

Adding integers with the same sign:

• Subtract

• Add and keep the sign.

• Add and that is it.

• What is adding integers?

Tags

CCSS.7.NS.A.1C

Adding integers with different signs

• Subtract and keep the sign of the LARGER number.

• Subtract and keep the number of the smaller signs.

• Adding integers is hard!

• Subtract and do not change the signs!

Tags

CCSS.7.NS.A.1C

What integer addition equation is being modeled?

• -5 + -3 = -2

• -5 + 2 = -3

• -5 + 3 = -2

• 5 + 3 = 8

Tags

CCSS.7.NS.A.1B

Match

• 3

• -7 - (-10)

• 12

• 72(-3)

• 11

• 24 - (-5)

• -216

• 18 + (-6)

• 29

• -3 + 14

Tags

CCSS.7.NS.A.1B

Solve the problem.
-42 - (-12)

• -30

• -54

• 30

• 54

Tags

CCSS.7.NS.A.1C

Coach Bob’s football team lost 8 yards, gained 5 yards, and lost 2 yards on their first 3 plays from the line of scrimmage.
The team’s current position is ​​ (a)   yards relative to the original line of scrimmage.
The additive inverse,​ (b)   represents the number of yards the team needs to gain in order to return to the original line of scrimmage.

• -5

• 5

• 15

• -15

Tags

CCSS.7.NS.A.1B

Solve the problem.
-100 - 52

• -152

• 48

• -48

• 152

Tags

CCSS.7.NS.A.1C

Solve the problem.
-4 - 10

• -4

• 4

• 14

• -14

Tags

CCSS.7.NS.A.1B

When adding a NEGATIVE number and NEGATIVE number,  your result will be...

• Positive

• Negative

• The sign of the larger absolute value

• The sign of the smaller absolute value

Tags

CCSS.7.NS.A.1C