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Can you Make 100?
problem
Favourite

Can You Make 100?

11 to 14
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How many ways can you find to put in operation signs (+, −, ×, ÷) to make 100?

Satisfying Statements
problem

Satisfying Statements

11 to 14
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Can you find any two-digit numbers that satisfy all of these statements?

Hypothetical shorts
problem

Hypothetical Shorts

16 to 18
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Some short statements about hypothesis testing: are they true, false, or somewhere in between?
10 Olympic Starters
problem

10 Olympic Starters

16 to 18
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10 intriguing starters related to the mechanics of sport.

Growing Garlic
problem
Favourite

Growing Garlic

5 to 11
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Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?

The yellow NRICH logo above the words 'Early Years', on a pink background.
eyfs_activity

Timing

Age
3 to 5

In this task, children will practise using a variety of timers to work out how many items they can put into a jar before the time finishes.

Symmetric Trace
problem

Symmetric Trace

14 to 16
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Points off a rolling wheel make traces. What makes those traces have symmetry?
The yellow NRICH logo above the words 'Early Years', on a red background.
eyfs_activity

Exploring 2D Shapes

Age
3 to 5

In this task, children will make shapes out of loops of string and discuss what they notice about their shapes.

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