Work out the weight of each colour Wangdoodle. Can they make up some number sentences about two sculls, five sculls, ten sculls? Domino Patterns Age 5 to 7 Challenge Level: Which numbers of bears can they share so that there are none left over? On the same day he sowed a bean in another pot. Will you be the first to reach the target? What numbers of total spots can you make?

Jack’s mum bought some candles to use on his birthday cakes and when his sister was born, she used them on her cakes too. Can you use the information given to find out how many eggs are in each basket? Find all the numbers that can be made by adding the dots on two dice. These spinners will give you the tens and unit digits of a number. Which numbers of bears can they share so that there are none left over? Annie and Ben are playing a game with a calculator. There are some families of seven people living in the town.

Nrich up the maths with coins. 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.

These upper primary tasks could all be tackled using a trial and improvement approach. My coat has three pfoblem. Age 7 to 11 Reasoning and Convincing at KS2 The tasks in this collection can be used to encourage children to convince others of their reasoning, by first convincing themselves, then a friend, then a ‘sceptic’.

I’m Eight Age 5 to 11 Challenge Level: Arrange the numbers 1 to 6 in each set of circles below. Scroll down to see groups of tasks from the site which will give learners experience of specific skills.

# Multiplication and Division KS1 :

Finding All Possibilities Lower Primary These activities focus on finding all possible solutions so working in a systematic way will ensure none are left out. Age 7 to 11 Visualising at KS2 These upper primary tasks all specifically draw on the use of visualising.

If you know the numbers that come out, what addition might be going on in the box?

Follow the clues to find the mystery number. How could you put these three beads into bags? The idea is to change the colour of all the spots on the grid. Growing Garlic Age 5 to 7 Challenge Level: Try with different numbers of squares around the ring.

Two Halves Age 3 to 5 Halving. These lower primary tasks all specifically draw on the use of visualising. Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it. It’s Sahila’s birthday and she probelm having a party. Which ones do you have to nrich out?

Talk to your friends about how you work them out. Can you hang weights in the right place to make the equaliser balance? Half Time Age 5 to 11 Challenge Level: Use the interactivity to help get a feel for this problem and ls1 find out all the possible ways the balls could land.

## Working Backwards at KS1

These activities lend themselves to being tackled in this way. As you come down the ladders of the Tall Tower you collect useful spells.

The proposal ks1 that the five professional associations should be solved into a maths association pronlem UK ks1 education, with a variety of Special Interest Groups SIGs. Secret Number Age 5 to 7 Challenge Level: The lower primary tasks in this collection could each be solved by working backwards. These upper primary tasks all specifically draw on the use of visualising.

## Counting and Ordering KS1

Help share out the biscuits the children have made. As you come down the ladders of the Tall Tower you collect useful spells. Make one big triangle so the numbers that touch on the small triangles add to Complete the number patterns.

What are the secret jumps they make with their counters? This article, written for primary teachers, discusses what we mean by ‘problem-solving skills’ and draws attention to NRICH tasks which can help develop specific skills.