Integer Operations Review

When you add integers with the same sign like (-2) + (-5), you...

• Add the values and keep the sign: (-2) + (-5) = -7

• Subtract the values: (-2) + (-5) = -3

• Multiply

• Divide

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Add: (-12) + (-3)

• -15

• -9

• 15

• 9

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Add (-20) + (-10)

• -30

• -10

• 30

• 10

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

When adding integers with different signs, like (-10) + 2, you must

• Find the difference (-10) + 2 = -8

• Add the values (-10) + 2 = -12

• Multiply

• Divide

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Add (-20) + 5

• -15

• -25

• 15

• 25

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Add 15 + (-3)

• 12

• -12

• -18

• 18

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Add (-10) + 30

• 20

• -20

• 40

• -40

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

We can change subtraction into addition. Which is equivalent to -12 - 3 ?

• -12 + (-3)

• -12 + 3

• 12 + 3

• 12 - 3

Tags

CCSS.7.EE.A.1

CCSS.7.EE.A.2

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Add (-12) + (-3)

• -15

• 15

• 9

• -9

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Which is equivalent to 8 - 12 ?

• 8 + (-12)

• 8 + 12

• -8 - 12

• -8 + 12

Tags

CCSS.7.EE.A.1

CCSS.7.EE.A.2

CCSS.7.NS.A.1

CCSS.7.NS.A.3