CCSS 1.OA.A.1 Worksheets
Grade 1 · Operations & Algebraic Thinking
Solve addition and subtraction word problems within 20 involving adding to, taking from, putting together, and comparing.
Below are free printable worksheets that support 1.OA.A.1. 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.1 from a textbook-grade teaching unit, with a hook, worked examples, diagrams, misconceptions, and an exit ticket.
Printable anchor chart
Print a wall poster that supports this standard, with a code-drawn diagram students can point to.
Teaching guide
Solve addition and subtraction word problems within 20 involving adding to, taking from, putting together, and comparing.
Model each story with a drawing, ten-frame or number line, then connect the model to an equation with an unknown in any position.
Generated and checked in code, so it is correct.
Treating every 'more' problem as addition without checking whether the story is asking for the difference.
Visual model
Addition worksheets
All addition worksheets →Sets A-F are the same worksheet with different questions - print any (or all) for fresh practice.
Subtraction worksheets
All subtraction 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.