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Number Round Up

Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.

Number Detective

Follow the clues to find the mystery number.

Grouping Goodies

Pat counts her sweets in different groups and both times she has some left over. How many sweets could she have had?

Pairs of Legs

Age 5 to 7
Challenge Level


How many legs does each of these three creatures have?
How many pairs is that?
How do you know?
 
 3 creatures
 
What about these three creatures?


 
 

 
You could download a set of these cards to cut out. Can you match the animal to the number of pairs of legs it has?
 
Did you know that legs on living creatures always come in pairs? 
 

The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.
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NRICH is part of the family of activities in the Millennium Mathematics Project.