A number line with only positive numbers

A number line that is blank before use

A number line with only negative numbers

A number line with fixed numbers

By making three jumps of 1 or one jump of 3

By making three jumps of 2

By making two jumps of 4

By making one jump of 9

To add it to another number

To subtract it from 100

To break it into smaller parts

To multiply it by 10

It makes the number line longer

It makes the numbers smaller

It changes the final answer

It helps in making calculations easier

They make calculations more complex

They simplify the addition process

They increase the number of steps

They make subtraction easier

Adding or subtracting a little to make calculations easier

Multiplying the number by 2

Dividing the number by 10

Ignoring the number completely

To cover more ground quickly

To avoid using the smaller number

To make the number line shorter

To make the number line longer

Start over with a different method

Check the reasonableness of your answer

Ask someone else to solve it

Ignore it and move on

They are only useful for subtraction

There is only one correct way to use them

They are not useful for mental math

Different methods can lead to the same correct answer

Use a calculator instead

Ignore the problem

Ask your teacher for help

Give up and try something else