Place Value Book 5 NT1 - (N1 pg. 7)

1. Thousands Hundreds TensUnits

5 6 2 4

Five thousand six hundred and twenty four.

2. A thousand should always have 3 digits after it.

ex. 5, 624

3. A million should always have 6 digits after it.

ex. 5, 000 000

The value of numbers: The value of the number 2 is: ex: 32,574 = 2, 000 14,298 = 200

Rounding to the nearest 10 NT1 - (N2 pg. 7)

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870 71 72 73 74 75 76 77 78 79

880

Which is the 10 before it? Which is the next 10?

874 is nearer 870

We have rounded the number down.

874

Remember

To round to the nearest 100 - 4 round the number down

5 – 9 round the number up

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800 10 20 30 40 50 60 70 80 90 900

Which is the 100 before it? Which is the next 10?

874 is nearer 900

We have rounded the number up.

Rounding to the nearest 100 NT1 - (N2 pg.8)874

Remember

To round to the nearest 1000 - 49 round the number down50 – 99 round the number up