Adding and Subtracting Using a Numberline

+ 12 - 14

• -2

• +2

• +10

• -10

+ 3 - 10

• -13

• +13

• +7

• -7

Solve by using the number line:

-2 + 4 = ?

• -2

• 0

• 2

• 4

Solve by using the number line:

-9 + (-5) = ?

• -14

• 4

• 14

• -4

Solve by using the number line:

10 + (-4) = ?

• -6

• 14

• 6

• -14

Solve by using the number line:

10 - 10 = ?

• -20

• 0

• 20

• 100

Fill in the missing addend using the number line:

-4 + _____ = 5

• -8

• 9

• -1

• 1

Solve by using the number line:

-2 - (-10) = ?

• -12

• 8

• 12

• -8

Fill in the missing Addend by using the number line:

5 + ____ = -6

• -1

• -7

• 1

• -11

What would you need to add to this counter to be true?

-7 + _____ = 2

• 5 negative chips

• 9 negative chips

• 11 positive chips

• 9 positive chips