Standard
- CCSS.Math.Content.3.OA
- Operations and Algebraic Thinking
- CCSS.Math.Content.3.OA.D
- Solve problems involving the four operations, and identify and explain patterns in arithmetic.
- CCSS.Math.Content.3.OA.D.9
- Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. For example, observe that 4 times a number is always even, and explain why 4 times a number can be decomposed into two equal addends.