How to use a numberline for subtraction

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Transcript How to use a numberline for subtraction

Step 1
 First draw a line with a ruler making sure the highest
numbers at the start and the answer at the end!!
34-21=
Step 2
 Secondly make big or small jumps. It’s easier to jump
in tens and hundreds or if you can’t then the highest
number you have.
Step 3
 You should have your answer at the end but make sure
you CHECK!!!!!!!