Subtracting Within 10

What about when we subtract a negative number?

-5 - (-4)

• -1

• 1

• 9

• -9

What is the answer to -2 - 8?

• -10

• 10

• 6

• -6

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

• right

• left

15 - 21

• 6

• 26

• -6

• -26

6 - 0

• 0

• 1

• 6

• 2

What number line models 6 - 9?

• 
• 
• 
• 

What problem is shown with this number line?

• 3 - 2

• 2 - 3

• 3 - (-2)

• 5 - 2

• 7
• 5
• -7
• -5

Subtracting is the same as adding the _____________.

• numbers

• additive inverse

• multiplying

• dividing

What is the difference in the following equation in lowest terms:
9/10 - 3/10 =

• 4/10

• 3/5

• 6/10

• 2/3