Differentiated Math

Subtract Tens

1.NBT.6 — Subtract multiples of 10 from multiples of 10 in the range 10-90, with positive or zero differences

Build this worksheet below — all three levels and the answer key, ready to print.

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What is on the three Subtract Tens worksheets

Support
draws base-ten blocks beside every problem.
On level
The grade's own level, with no drawings.
Challenge
moves the missing number out of the answer slot.

Example problems from the on-level sheet

  • 30 - 10 = ___
  • 90 - 10 = ___
  • 90 - 60 = ___

Every sheet is generated, so the numbers are different each time you make one.

Before this: 1.NBT.4 — add within 100: two-digit plus one-digit, and two-digit plus a multiple of 10.