CCSS 1.OA.A.2 Worksheets
Grade 1 · Operations & Algebraic Thinking
Solve word problems that add three whole numbers with a total within 20.
Below are free printable worksheets that support 1.OA.A.2. Print them as PDFs, or generate a fresh one. Every math answer key is computed in code, so it is never wrong.
Teach this standard
Deliver a whole lesson on 1.OA.A.2 from a textbook-grade teaching unit, with a hook, worked examples, diagrams, misconceptions, and an exit ticket.
Teaching guide
Solve word problems that add three whole numbers with a total within 20.
Combine three addends by looking for 10 first, then add the remaining part. Use counters or a ten-frame before expecting mental strategies.
Generated and checked in code, so it is correct.
Adding strictly left to right and missing an easier pair that makes 10.
Addition worksheets
All addition worksheets →Sets A-F are the same worksheet with different questions - print any (or all) for fresh practice.
Word Problems worksheets
All word problems worksheets →Sets A-F are the same worksheet with different questions - print any (or all) for fresh practice.