Grade 2
Arizona Math Standard: 2.NBT.B.9
Explain why addition and subtraction strategies work, using place value and the properties of operations. (Explanations may be supported by drawings or objects.)
How Many Ways: Add to 50
Fill in the blanks so two numbers add to exactly 50, using each digit only once. Then find the sneaky ways that start with a zero.
Adding and Subtracting Fruit
Use super cute fruit to introduce algebraic thinking to your young math students.
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!