Rounding
Purpose:
The purpose of this activity to help your child to round numbers to the nearest 100.
Link to the Number Framework:
Place value, Stage 5
What you need:
- Strip of paper
- Pen and small pieces or paper to write on (size of playing cards).
- Selection of food packaging
What to do:
- On a strip of paper write the numbers 100,200, 300, 400, 500, 600,700, 800, 900, 1000.
- Work with your child to write some numbers from 0 – 1000 on pieces of paper.
- Ask your child to look at the numbers and decide which 100s number they are round to.
- Remember that it is a convention to round 50 to 100.
- Put the numbers by the appropriate 100s number on the strip of paper.
- Look at some food packages in the kitchen or at the supermarket when you are shopping.
- Ask your child to round the weight or the capacity of the package to the nearest 100.
What to expect your child to do:
- To be able to write hundreds numbers and round these to the nearest 100.
Variations:
- The same initial activity could be done with rounding numbers to the nearest 10.
- Opportunities to practice rounding to 10s could include measuring objects and rounding to the nearest 10cm.
He Kupu Māori:
| round (a number) | whakaawhiwhi (-a) |
| closest hundred | te rau e pātata ana |