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Grade 3 Math · World 2: Add-and-Subtract Express · Level 11
Add by Place Value
Add three-digit numbers: hundreds with hundreds, tens with tens, ones with ones.
Warm-up, learn, try it together, practice, then a quick check. About 15 minutes.
What children learn in Level 11
- Welcome to the Add-and-Subtract Express! To add 345 and 232, add each place: hundreds, tens, and ones.
- 300 plus 200 is 500. 40 plus 30 is 70. 5 plus 2 is 7.
- Put them together: 577!
Georgia's K-12 Mathematics Standards:
- 3.PAR.2.1 — Fluently add and subtract within 1000 to solve problems.