Counting on to Subtract Number Lines

Find the rule the pattern is using:

11,9,7,5,3

• Subtract 2

• Divide 3

• Add 3

• Subtract 3

A straight line with numbers placed at equal intervals is called a ________.

• tick marks

• point

• intervals

• number line

What do you do if a problem says "FInd the Difference of ______"?

• Add

• Subtract

• Multiply

• Divide

• 7

• 8

• 9

• 10

If you start at 8 on a number line and move 3 steps backward, where do you land?

• 4

• 5

• 6

• 5

• 6

• 7

Using a number line, if you start at 10 and subtract 7, where do you end up?

• 2

• 3

• 4

Using a number line, if you start at 7 and subtract 4, where do you end up?

• 2

• 3

• 4

Use the number line to subtract.

16 - 3 =

• 15

• 14

• 13

Use a number line to solve.

14 - 7 =

• 7

• 14

• 9

• 21