Being collaborative

There are 308 NRICH Mathematical resources connected to Being collaborative

problem

Favourite

5 on the clock

Age

7 to 11

Challenge level

On a digital clock showing 24 hour time, over a whole day, how many times does a 5 appear? Is it the same number for a 12 hour clock over a whole day?

problem

Favourite

Ten hidden squares

Age

7 to 14

Challenge level

These points all mark the vertices (corners) of ten hidden squares. Can you find the 10 hidden squares?

problem

Favourite

Product sudoku

Age

11 to 16

Challenge level

The clues for this Sudoku are the product of the numbers in adjacent squares.

problem

Favourite

Shape times shape

Age

7 to 11

Challenge level

These eleven shapes each stand for a different number. Can you use the number sentences to work out what they are?

problem

Favourite

Reflecting lines

Age

11 to 14

Challenge level

Investigate what happens to the equations of different lines when you reflect them in one of the axes. Try to predict what will happen. Explain your findings.

problem

Favourite

How do you do it?

Age

7 to 11

Challenge level

This group activity will encourage you to share calculation strategies and to think about which strategy might be the most efficient.

problem

Favourite

Arranging cubes

Age

7 to 11

Challenge level

A task which depends on members of the group working collaboratively to reach a single goal.

problem

Favourite

Which solid?

Age

7 to 16

Challenge level

This task develops spatial reasoning skills. By framing and asking questions a member of the team has to find out what mathematical object they have chosen.

problem

Favourite

Carroll diagrams

Age

5 to 11

Challenge level

Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

problem

Favourite

Making boxes

Age

7 to 11

Challenge level

Cut differently-sized square corners from a square piece of paper to make boxes without lids. Do they all have the same volume?

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Being collaborative

5 on the clock

Ten hidden squares

Product sudoku

Shape times shape

Reflecting lines

How do you do it?

Arranging cubes

Which solid?

Carroll diagrams

Making boxes