3. Multiplication and division

Lesson

Remember how we found that multiplication is the same as repeated addition?

Write this addition as a multiplication: 3+3+3+3+3+3

Worked Solution

Idea summary

We can rewrite repeated addition as a multiplication in the form: \text{Number of groups}\times\text{amount in each group}

We're going to think about the relationship between repeated addition and the times tables, using a number line to help us understand multiples.

Drag the sliders to find the first 12 multiples of any numbers between 1 and 12.

We can use our times tables to find multiples of a number. For example, the 6th multiple of 5 is 6\times 5=30.

Write down the 7th multiple of 3.

Worked Solution

Idea summary

A

**multiple**is the result of a number being multiplied by an integer.A

**common multiple**is a multiple of more than one number.The

**lowest common multiple**is the first multiple that is common to two numbers.