Two-Digit Plus a Multiple of Ten
1.NBT.4 — Add within 100: two-digit plus one-digit, and two-digit plus a multiple of 10
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What is on the three Two-Digit Plus a Multiple of Ten worksheets
- Support
- draws base-ten blocks beside every problem.
- On level
- The grade's own level, with no drawings.
- Challenge
- uses the harder cases.
Example problems from the on-level sheet
- 75 + 20 = ___
- 23 + 10 = ___
- 64 + 30 = ___
Every sheet is generated, so the numbers are different each time you make one.
Before this: 1.NBT.2 — understand two-digit numbers as tens and ones, including 10 as a bundle of ten ones and multiples of ten.