Adding Integers

4 + (-5)

• 9
• -9
• 1
• -1

Tags

CCSS.7.NS.A.1C

-3 + (-7)

• -10
• 10
• -4
• 4

Tags

CCSS.7.NS.A.1C

-9 + (-5)

• -14
• 14
• -4

Tags

CCSS.7.NS.A.1C

10 + (-4) = ?

• -6
• 6
• 14
• -14

Tags

CCSS.7.NS.A.1C

-14 + (-3)

• -17
• 11
• -11
• 17

Tags

CCSS.7.NS.A.1C

-8 + 20

• -28
• 28
• 14
• 12

Tags

CCSS.7.NS.A.1C

2 + (-21) 

• 19
• -19
• -23
• 23

Tags

CCSS.7.NS.A.1C

-22 + (-9)

• -11
• -31
• 11
• 31

Tags

CCSS.7.NS.A.1C

What is the rule for adding integers with same sign?

• Find the difference of the absolute values and take sign of larger absolute value.

• Subtract and keep the sign.

• Add and take sign of larger number.

• Find the sum of the absolute values and keep the sign.

Tags

CCSS.7.NS.A.1C

What do you do when you are adding integers with different signs? 

• (-) and keep sign of smaller number
• (-) and keep sign of larger number
• (+) and keep sign of smaller number number
• (+) and keep sign of larger number 

Tags

CCSS.7.NS.A.1C