BACK TO WORKSHEETSIn this worksheet, you must subtract ten from the number shown on the abacus.
This number shows 2 tens and 6 units.
This is 20 + 6
The number shown is 26.
Now we subtract a 10.
One less ten makes 1 ten and 6 units so the answer is 16.
In this worksheet, students subtract 10 from the number shown on the tens and units abacus.
Key stage: KS 1
Curriculum topic: Number: Addition and Subtraction
Curriculum subtopic: Add and Subtract to 20
Difficulty level: 
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