# Package 4-1 Sam’s money challenge

This task will support your child’s understanding of the properties of numbers and the operations of addition, subtraction, multiplication and division.

## Things you need

### Back up

• Draw the square grid with question marks below.

## Before you start

This activity will support your child’s understanding of the properties of numbers and the operations of addition, subtraction, multiplication and division.

## What your child needs to know and do

Your child will need opportunities to think as they do this task.

## What to do next

The challenge:

Put the numbers 1 to 8 into the circles so that the four calculations are correct.

You might like to use the interactive activity to support your thinking.

How many correct solutions can you make?

• Where could the two largest even numbers go? Why?

• Where could the number 1 go? Why?

• How will you keep track of what you have tried?

### Activity too easy?

Make a similar problem which uses different numbers or operations.

Consecutive numbers are numbers which follow one after the other. For example, 6, 7, 8, 9.

• Choose 4 consecutive numbers and write them in a row.

• Add an addition or subtraction symbol between the numbers. E.g. 6 + 7 - 8 + 9 =?

• Solve the equation.

• Discuss different ways of solving the problem.

• Which strategy is quicker and easier? Why?

• Try using a multiplication or division symbol.

• Practise using different sets of consecutive numbers.