Resources tagged with: Rounding

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

Broad Topics > The Number System and Place Value > Rounding

Reasoned Rounding

Age 7 to 14
Challenge Level

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

Round the Dice Decimals 1

Age 7 to 11
Challenge Level

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

Round the Two Dice

Age 5 to 7
Challenge Level

This activity focuses on rounding to the nearest 10.

Round the Dice Decimals 2

Age 7 to 11
Challenge Level

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

Round the Four Dice

Age 7 to 11
Challenge Level

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

Rough Rectangle

Age 11 to 14 Short
Challenge Level

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

Round the Three Dice

Age 7 to 11
Challenge Level

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

Archimedes and Numerical Roots

Age 14 to 16
Challenge Level

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?

Route to Root

Age 16 to 18
Challenge Level

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. . . .