Worksheet: Subtracting Numbers up to 100 Using Compensation
In this worksheet, we will practice subtracting two numbers by breaking them apart and combining them to give us numbers that are easier to subtract.
Are they equal?
Mason is learning ways to subtract.
Pick the calculation that would tell him the length of the orange bar.
He adds 3 to both numbers. Is the length of the blue bar the same as the length of the orange bar?
Pick the calculation with the same answer as .
What is ?
When given a difficult subtraction, we can find easier numbers to help us subtract.
Add 4 to both numbers. Write the new calculation.
The new calculation has the same answer as .
What is ?
William is investigating patterns in subtraction sentences with the same difference.
He uses a model to write these expressions which are all equal to 8.
What number is missing?
The first numbers in the expressions (25, 27, 29) follow the pattern add 2.
What pattern do the second numbers follow?
- Aadd 2
- Bsubtract 2
Investigate other subtraction expressions that are equal to 8.
Find the missing number.