Grade 1
Arizona Math Standard: 1.OA.B.3
Apply properties of operations (commutative and associative properties of addition) as strategies to add and subtract through 20. (Students need not use formal terms for these properties.)
Adding and Subtracting Fruit
Use super cute fruit to introduce algebraic thinking to your young math students.
Back to School Math Worksheets
In these math problems, the solution is already given. But another number is missing!
Spring Math Worksheets: Addition and Subtraction
Four sets of 2-digit and 3-digit addition and subtraction practice. But the unknown isn’t where you expect it to be!