Mastering Subtraction with a Number Line

What is a number line?

• A line with colors

• A line with shapes

• A line with random letters

• A line with numbers in sequence

If you start at 3 on a number line and move back 2 steps, where do you land?

• 2

• 4

• 1

• 3

What is 3 minus 2?

• 3

• 2

• 1

• 0

If you start at 9 on a number line and move back 5 steps, where do you land?

• 3

• 4

• 6

• 5

What is 9 minus 5?

• 2

• 3

• 4

• 5

If you start at 8 on a number line and move back 6 steps, where do you land?

• 1

• 2

• 3

• 4

What is 8 minus 6?

• 1

• 2

• 3

• 4

What happens when you subtract 0 from 10?

• 0

• 5

• 10

• 15

What is the result of 15 minus 0?

• 5

• 0

• 10

• 15

What is the result of 20 minus 0?

• 10

• 20

• 0

• 15