CCSS 1.OA.B.3 Worksheets
Grade 1 ยท Operations & Algebraic Thinking
Apply properties such as commutativity and associativity as strategies to add and subtract.
Below are free printable worksheets that support 1.OA.B.3. 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.B.3 from a textbook-grade teaching unit, with a hook, worked examples, diagrams, misconceptions, and an exit ticket.
Teaching guide
Apply properties such as commutativity and associativity as strategies to add and subtract.
Show addition facts with counters that can be rearranged, then use known doubles, near-doubles and make-ten facts as strategies.
Generated and checked in code, so it is correct.
Naming a property without using it to make the calculation easier.
Addition worksheets
All addition worksheets โSets A-F are the same worksheet with different questions - print any (or all) for fresh practice.
Subtraction worksheets
All subtraction worksheets โSets A-F are the same worksheet with different questions - print any (or all) for fresh practice.