Being curious

There are 99 NRICH Mathematical resources connected to Being curious

problem

Favourite

What numbers can we make now?

Age

11 to 14

Challenge level

Imagine we have four bags containing numbers from a sequence. What numbers can we make now?

problem

Favourite

Three neighbours

Age

7 to 14

Challenge level

Take three consecutive numbers and add them together. What do you notice?

problem

Favourite

Digit addition

Age

5 to 11

Challenge level

Try out this number trick. What happens with different starting numbers? What do you notice?

problem

Favourite

The number jumbler

Age

7 to 14

Challenge level

The Number Jumbler can always work out your chosen symbol. Can you work out how?

problem

Favourite

Fruity totals

Age

7 to 16

Challenge level

In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?

problem

Favourite

Multiplication arithmagons

Age

14 to 16

Challenge level

Can you find the values at the vertices when you know the values on the edges of these multiplication arithmagons?

problem

Favourite

Reversals

Age

11 to 14

Challenge level

Where should you start, if you want to finish back where you started?

problem

Favourite

Unequal averages

Age

11 to 14

Challenge level

Play around with sets of five numbers and see what you can discover about different types of average...

problem

Favourite

Wipeout

Age

11 to 16

Challenge level

Can you do a little mathematical detective work to figure out which number has been wiped out?

problem

Favourite

Estimating time

Age

11 to 14

Challenge level

How well can you estimate 10 seconds? Investigate with our timing tool.

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For younger learners

Being curious

What numbers can we make now?

Three neighbours

Digit addition

The number jumbler

Fruity totals

Multiplication arithmagons

Reversals

Unequal averages

Wipeout

Estimating time