NZ Level 3

## Interactive practice questions

Consider $33$33 and $27$27.

a

What is the highest common factor of these two numbers?

b

Complete the gaps such that $33+27$33+27 is rewritten as an equivalent multiplication using the distributive property.

 $33+27$33+27 $=$= $3\times\left(\editable{}+9\right)$3×(+9) $=$= $\editable{}\times20$×20
Easy
Approx 2 minutes

Consider $77$77 and $143$143.

Consider the sum of $42$42 and $39$39.

Given $6\left(7+4\right)+4\left(7+4\right)$6(7+4)+4(7+4):

### Outcomes

#### NA3-7

Generalise the properties of addition and subtraction with whole numbers