Number Balance Age 5 to 7 Challenge Level: Age 5 to 7 Challenge Level: What do you notice? As you come down the ladders of the Tall Tower you collect useful spells. Weighted Numbers Age 5 to 7 Challenge Level:

The red ring is inside the blue ring in this picture. Age 5 to 11 Challenge Level: How many different ways can you find to join three equilateral triangles together? Even and Odd Age 5 to 7 Challenge Level: Doubling Fives live Age 5 to 7 Challenge Level: 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.

Can you work out how many flowers there will be on the Amazing Splitting Plant after it has been growing for six weeks? Sweets are given out to party-goers in a particular way. Investigate the total number of sweets received by people sitting in different positions.

Kimie and Sebastian were making sticks from interlocking cubes and lining them up. How many legs do each of these creatures have? KS1 Age 5 to 7 Challenge Level: How many lollies could there have been in the bag?

Age 5 to 11 Challenge Level: This challenge is about finding the difference between sokving which have the same tens digit.

# Counting and Ordering KS1 :

Noah Age 5 to 7 Challenge Level: Register for our mailing list. Here are some short problems for you to try.

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. What strategies did you use? En-counters Age 5 to 7 Challenge Level: Age 5 to 11 Challenge Level: The tasks in this collection encourage upper primary children to conjecture and generalise. Can you convince us that you have found them all? This activity focuses on doubling multiples of five.

How many sweets could she have had? In Sam and Jill’s garden there are two sorts of ladybirds with 7 spots or 4 spots. How many trains can you make which are the same length as Matt’s, using rods that are identical? An old game but lots of arithmetic! 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.

Now try with a stick of 8 cubes and a stick of 6 cubes. Position and Direction KS1.

## Fractions KS1

Dotty Six is a simple dice game that you can adapt in many ways. In Sam and Jill’s garden there are two sorts of ladybirds ,aths 7 spots or 4 spots.

This feature draws together tasks which give learners opportunities to reason for different purposes. What do you notice? Butterfly Flowers Age 5 to 7 Challenge Level: Turning Age 5 to 7 Challenge Level: Secret Number Age 5 to 7 Challenge Level: Try continuing these patterns made from triangles.

Place the numbers 1 to 6 in the circles so that each number is the difference between problemm two numbers just below it.