### MATHS PROBLEM SOLVING KS2 NRICH

What happens when you round these numbers to the nearest whole number? What Do You Need? How many different trains can you make? Multiples Grid Age 7 to 11 Challenge Level: How many different triangles can you make on a circular pegboard that has nine pegs?

Three Dice Age 7 to 11 Challenge Level: Tasks for KS1 children which focus on working systematically. These lower primary tasks could all be tackled using a trial and improvement approach. 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. Four of these clues are needed to find the chosen number on this grid and four are true but do nothing to help in finding the number.

Can you use the number sentences to work out what they are? He could then pay any sum of money from 1p to 15p without opening any bag.

# Fractions KS2 :

This game can replace standard practice exercises on finding factors and multiples. Reach Age 7 to 14 Challenge Level: Factor Lines Age 7 to 14 Challenge Level: In how many different ways can you break up a stick of 7 interlocking cubes?

Register for our mailing list. Is it the same number for a 12 hour clock over a whole day?

Which route has the smallest product? Four of these clues are needed to find the chosen number on this grid and four are true but do nothing to help in finding the number.

Can you make square numbers by adding two prime numbers together? This problem is designed to help children to learn, and to use, the two and three nroch tables.

## Addition and Subtraction KS2

Put operations signs between the numbers 3 4 5 6 to make the highest possible number and lowest possible number. Addition and Subtraction KS2. What do you notice? Strike nrlch Out Age 5 to 11 Challenge Level: This challenge invites you to explore the difference in the number of small cubes I’ve used.

Tom and Ben visited Numberland. Age 5 to 7 Conjecturing and Generalising at KS1 The tasks in this collection encourage lower primary soolving to conjecture and generalise.

Can you replace the letters with numbers? 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. The value of the circle changes in each of the following problems.

## Fractions KS2

Can you fill in this nrifh square? Register for our mailing list. What Do You Need? Investigate the total number of sweets received by people sitting in different positions. How many different trains can you make? Can you find ways to make twenty-link chains from these smaller chains? This multiplication uses each of the digits 0 – 9 once and once only.

How Do You Do It? Maze Age 7 to 11 Challenge Level: This big box multiplies anything that goes inside it by the proboem number. Use 4 four times with simple operations so that you get the answer Four bags contain a large solviing of 1s, 3s, 5s and 7s. What questions would you like to ask?

How do the images help to explain this? Can you make a cycle of pairs that add to make a square number using all the numbers in the box below, once and once only?