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