CCSS 1.OA.D.7 Worksheets
Grade 1 ยท Operations & Algebraic Thinking
Understand that the equal sign means both sides are the same amount, and judge whether simple equations are true.
Below are free printable worksheets that support 1.OA.D.7. Print them as PDFs, or generate a fresh one. Every math answer key is computed in code, so it is never wrong.
Teaching guide
Understand that the equal sign means both sides are the same amount, and judge whether simple equations are true.
Start by counting on from the larger number, then move to partitioning into tens and ones and adding each part, and finally column addition with regrouping.
Generated and checked in code, so it is correct.
Adding the tens and ones columns without carrying the regrouped ten, and always counting on from the first number rather than the larger.