Subtracting Integers Models

-7 - (-7)

• 14

• 0

• -14

• 1

Tags

CCSS.7.NS.A.1C

12 - (-3) = 

• 9

• -9

• 15

• -15

Tags

CCSS.7.NS.A.1C

Q1. What is the result of 5 - 12?

• A) 7

• B) 5

• C) -7

• D) -5

Tags

CCSS.7.NS.A.1B

Q1. What is the result of 9 - 10?

• A) 9

• B) 10

• C) -9

• D) -10

Tags

CCSS.7.NS.A.1C

Which are the correct steps for rewriting a subtraction problem into addition?

• Keep first number the same
  Change Subtraction sign
  Change second number to opposite

• Keep first number the same
  Change Subtraction into Addition
  Change second number to opposite

• Change the first number into the opposite
  Change Subtraction to Addition
  Keep second number the same

• Change the first number into the opposite
  Change Subtraction to Addition
  Change second number to opposite

Tags

CCSS.7.NS.A.1C

What about when we subtract a negative number?

• -1

• 1

• 9

• -9

Tags

CCSS.7.NS.A.1C

What is the answer to -2 - 8?

• -10

• 10

• 6

• -6

Tags

CCSS.7.NS.A.1C

A subtraction sign means I will move ________on the number line.

• right

• left

Tags

CCSS.7.NS.A.1C

15 - 21

• 6

• 26

• -6

• -26

Tags

CCSS.7.NS.A.1C

Subtracting is the same as adding the _____________.

• numbers

• additive inverse

• multiplying

• dividing

Tags

CCSS.7.NS.A.1B