Question Video: Interpreting Multiplication of Whole Numbers Mathematics • Third Year of Primary School

Video Transcript

Seven plus seven plus seven plus seven equals the missing number multiplied by four.

Seven plus seven plus seven plus seven is repeated addition. We keep on adding seven. Let’s count the number of sevens we need to add: one, two, three, four. Adding together four sevens is the same as multiplying by four.

That means that seven multiplied by four is the same as adding four sevens. So the missing number is seven.

Seven plus seven plus seven plus seven equals seven multiplied by four.