Working systematically

problem
Round the three dice

Age

7 to 11

Challenge level

What happens when you round these three-digit numbers to the nearest 100?
problem
Round the dice decimals 2

Age

7 to 11

Challenge level

What happens when you round these numbers to the nearest whole number?
problem
Round the four dice

Age

7 to 11

Challenge level

This activity involves rounding four-digit numbers to the nearest thousand.
problem
Coins (2)

Age

7 to 11

Challenge level

What is the smallest number of coins needed to make up 12 dollars and 83 cents?
problem
Shape draw

Age

7 to 11

Challenge level

Use the information on these cards to draw the shape that is being described.
problem
Through the window

Age

7 to 11

Challenge level

My local DIY shop calculates the price of its windows according to the area of glass and the length of frame used. Can you work out how they arrived at these prices?
problem
How long does it take?

Age

7 to 11

Challenge level

How long does it take to brush your teeth? Can you find the matching length of time?
game
Favourite

Dicey perimeter, dicey area

Age

7 to 11

Challenge level

In this game for two players, you throw two dice and find the product. How many shapes can you draw on the grid which have that area or perimeter?
problem
Calendar sorting

Age

7 to 11

Challenge level

The pages of my calendar have got mixed up. Can you sort them out?
problem
Play to 37

Age

7 to 11

Challenge level

In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.