Multiplication
70*2=140
Multiplication is repeated addition: 70 groups of 2 (or 2 groups of 70) total 140. Recalling the times tables lets you find 70*2 quickly instead of adding step by step.
Multiplication
Multiplication is repeated addition: 70 groups of 2 (or 2 groups of 70) total 140. Recalling the times tables lets you find 70*2 quickly instead of adding step by step.