# Package 1-2 Broken calculator

This activity is designed to get your child to practise and apply their knowledge of numbers and operations. It encourages them to think and problem solve like a mathematician.

## Why is this activity important?

This activity is designed to get your child to practise and apply their knowledge of numbers and operations. It encourages them to think and problem solve like a mathematician.

## Before you start

Check that the video is working and the audio settings are correct for your child.

## What your child needs to know and do

For this activity, explain that on a calculator the buttons +, the decimal point, 0, 4 and 3 are broken.

## What to do next

View the Broken calculator video.

Complete the task on Activity sheet 1 found below. This activity encourages your child to think about some other ways we can get to a total of 33 on this broken calculator?

### Activity too hard?

Encourage your child to watch the video again. They may like another opportunity to think about the mathematical ideas explored in the video.

### Activity too easy?

What if the subtraction button was also broken?

What if you could use the decimal point?

• What did you find challenging?

• How did you overcome the challenge?

• Share your thinking about how you worked around these broken keys.