Integer Add & Subtract: Number Lines and Algebra Tiles

In math, negative usually means...

• bad things.

• the same.

• opposite.

• positive.

When we ADD a negative number, it is just like...

• adding that number.

• subtracting that number.

• dividing that number

• multiplying that number.

When we SUBTRACT a negative number, it is like...

• multiplying by that number.

• subtracting that number.

• adding that number.

• dividing my that number.

Use the number line to calculate the sum (add) of -3 and 6.

• 3

• -6

• -9

• 9

Using the number line, find the difference (subtract) of -5 and 5.

(GO 5 SPACES TO THE LEFT OF -5)

• 0

• 10

• -10

• 5

How many Zero Pairs are there?

• 2 Zero Pairs

• 1 Zero Pairs

• No Zero Pairs

• 3 Zero Pairs

Which equation does this picture represent?

• 2 - 3 = 5

• -3 + (-2) = -5

• -2 + 3 = 1

• 2 + (-3) = -1

Use the number line to calculate 6 + (-11)

• 17

• -5

• --17

• 5

What does this picture of integer tiles represent?

• 3 + 3 = 6

• 3 + (-3) = 0

• -3 - (-3) = -6

• 3 + (-3) = 6

Use the integer tiles to calculate the equation:

-2 + (-4) =

• -2

• 6

• -6

• -4