### MATHS PROBLEM SOLVING KS1 NRICH

How could you record what you’ve done? How quickly can you put back the numbers on the hundred square? Teddy Town Age 5 to 14 Challenge Level: Which ones do you have to leave out? Leah and Tom each have a number line.

Create a pattern on the left-hand grid. Two Spinners Age 5 to 7 Challenge Level: On a farm there were some hens and sheep. Scroll down to see our complete collection of KS1 problems that require children to work systematically, or explore the two sub-collections focusing on important aspects of systematic working. And how do you know you’ve found them all? Ip Dip Age 5 to 11 Challenge Level:

In Sam and Jill’s garden there are two sorts of ladybirds with 7 spots or 4 spots. Find sopving great variety of ways of asking questions which make 8.

Can you choose sets of numbers to collect so that you problemm six numbers belonging to your sets in as few spins as possible? An old game but lots of arithmetic! Clapping Times Age 5 to 7 Challenge Level: Can they make any other lines? What do you notice? How many trains can you make which are the same length as Matt’s, using rods that are identical?

What Was in the Box? How many legs do each of these creatures have? Use the clues to colour each square.

## Addition and Subtraction KS1

Make a chair and table out of interlocking cubes, making sure that the chair fits under the table! They shared them out evenly and had one left over. Doubling Fives live Age 5 to 7 Challenge Level: Which numbers of bears can they share so that there are none left over?

Shopping – Pirate Poundland Age 3 to 5 Counting. Dotty Six is a simple dice game that you can adapt in many ways. Dicey Addition Age 5 to 11 Challenge Level: Register for our mailing solvung.

On a farm there were some hens and sheep. What happens when you add pairs of the numbers together? The tasks in this collection encourage lower primary children to conjecture and generalise.

## Problem-solving Skills

Our Numbers Age 5 to 7 Challenge Level: What patterns can you make with a set of dominoes? Here are some short problems for you to try. Register for our mailing list. What’s in a Name? Register for our mailing list.

# Problem Solving :

Age 5 to 11 Challenge Level: How many different ways can you find to join three equilateral triangles together? Age 5 to 7 Challenge Level: Use the interactivity to help get a feel for this problem and to find out all the possible ways the balls could land.

Caterpillars Age 5 to 7 Challenge Level: Use your mouse to move the red and green parts of this disc. Ladybirds in the Garden Age 5 to 7 Challenge Level: Can you lay out the pictures of the drinks in the way described by the clue cards? How many circles would I need to make the next size up for each?