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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

Download a file of this activity:

PDF (92KB) or Word (28KB)

Download a file of this activity including questions to ask in Māori:

PDF (104KB) or Word (31KB)

Download a Pasifika version of this activity:

PDF (80KB) or Word (499KB)