Modeling Adding and Subtracting Integers

18 - 41

• 23

• -23

• 59

• -59

Tags

CCSS.7.NS.A.1C

-14 + (-3)

• -17

• 11

• -11

• 17

Tags

CCSS.7.NS.A.1C

Joy earned 13 points in her first round and -21 points in her second turn. What was her score after 2 turns?

• 34

• 8

• -34

• -8

Tags

CCSS.7.NS.A.1C

-2 + 4 

• -2

• 2

• 0

• -4

Tags

CCSS.7.NS.A.1C

-10 + 10

• 20

• 0

• -20

• 1,000,000

Tags

CCSS.7.NS.A.1B

5 - 2

• 7

• 3

• -3

• -7

Tags

CCSS.7.NS.A.1C

-3 - 2

• -1

• -5

• 1

• 6

Tags

CCSS.7.NS.A.1C

12 - (-3) = 

• 9

• -9

• 15

• -15

Tags

CCSS.7.NS.A.1C

What are the rules for subtracting integers?

• Change to multiplication and use the opposite of the second number.

• Change subtraction sign to addition and use the opposite of the second number.

• Find the opposite of both numbers and then add. 

• Subtract like normal and keep the larger sign. 

Tags

CCSS.7.NS.A.1C

-7 - (-2) = ?

• 9

• -9

• -5

• 5

Tags

CCSS.7.NS.A.1C