Rounding numbers worksheets

About this worksheet

Rounding gives a simpler number that is close to the real one. It is what we do when we say "about 500 people came". The rule: look at the digit just to the right of the place you are rounding to. If it is 5 or more, round up. If it is 4 or less, round down.

Tips for parents and teachers

• Draw a number line with the two nearest tens (or hundreds) and mark the number on it. The child can see which end is closer.
• A number exactly in the middle, such as 45 to the nearest ten, rounds up to 50. This is a rule people have agreed on.
• Use rounding to check sums: 398 + 204 should be near 400 + 200.

Ready settings by class

• Rounding to the nearest 10 Class 3

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