# 1. Multiplication as Repeated Addition

Relation of multiplication to repeated addition, i.e. multiplying * a x b* is the same as adding

**repeatedly**

*b**number of times. Given equal groups of objects (arranged in arrays), students write addition and multiplication equations for the total number of objects. For example, for objects arranged in 4 rows and 5 columns (20 in all); 5 + 5 + 5 + 5 and 4 x 5 represents the total number of objects.*

**a**### Common Core Alignment

**3.OA.1**Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each.