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

Have these things available so your child can complete this task.

Ideal

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.

A number A divided by a number B equals number C. Number C times by number D equals number E. Number A take away Number F equals Number G. Number G plus Number H equals number E.

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?

Options for your child

Activity too hard?

Use the interactive tool to help your thinking.

Activity too easy?

Make a similar problem which uses different numbers or operations.

Extension/additional activity

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.

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