There are **9** NRICH Mathematical resources connected to **Rounding**, you may find related items under The Number System and Place Value.

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Four strategy dice games to consolidate pupils' understanding of rounding.

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Use two dice to generate two numbers with one decimal place. What happens when you round these numbers to the nearest whole number?

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What happens when you round these numbers to the nearest whole number?

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This activity involves rounding four-digit numbers to the nearest thousand.

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What is the smallest possible area that this rectangle could have?

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What happens when you round these three-digit numbers to the nearest 100?

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The problem is how did Archimedes calculate the lengths of the sides of the polygons which needed him to be able to calculate square roots?

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A sequence of numbers x1, x2, x3, ... starts with x1 = 2, and, if you know any term xn, you can find the next term xn+1 using the formula: xn+1 = (xn + 3/xn)/2 . Calculate the first six terms of this. . . .