### PROBLEM SOLVING MATHS KS2 NRICH

How many different trains can you make? This dice train has been made using specific rules. Here are some useful problem-solving skills:. Can you order the digits from to make a number which is divisible by 3 so when the last digit is removed it becomes a 2-figure number divisible by 2, and so on? Find the chain which contains the smallest possible numbers.

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? Which pairs do not let this happen? Then we build around that red cube with blue cubes and so on. Number live Age 7 to 11 Challenge Level: Imagine a pyramid which is built in square layers of small cubes.

The upper primary tasks in this collection could each be solved rnich working backwards. Register for our mailing list. Domino Square Age 7 to 11 Challenge Level: Can you find out where all the numbers have got to from these ten statements?

How could you put these three beads into bags?

How many different shaped boxes can you design for 36 sweets in one layer? Always, Sometimes or Never? Tim had nine cards each with a different number from 1 to 9 on it. How many ways can you find to do up all four buttons on my coat?

# Problem-solving Skills :

What questions would you like to ask? How many different squares can you make altogether? Can you find any two-digit numbers that satisfy all of these statements?

Can you put the numbers 1 to 8 into the circles so that the four calculations are correct? All the Digits Age 7 to 11 Challenge Level: The tasks in this collection dolving lower primary children to conjecture and generalise. The sum of the numbers inside it is written on each envelope.

These activities focus on finding all possible solutions so working in a systematic way will ensure none are left out. Place four pebbles on the sand in the form of a square.

# Multiplication and Division KS2 :

Four bags contain a large number of 1s, 3s, 5s and 7s. Scroll down to see groups of tasks from the site which will mzths learners experience of specific skills. Can you find out where all the numbers have got to from these ten statements?

How many pennies did Ram put in each bag? Read Lynne’s article which discusses the place of problem solving in the new curriculum and sets the scene.

## Problem Solving

This multiplication uses each of the digits 0 – 9 once and once only. Sealed Solution Age 7 to 11 Challenge Level: What numbers could be inside the envelopes?

Explore Alex’s number plumber. This article builds on Jennie’s. This challenge is a game for two players.

Can you find some more abundant numbers? Counting Cogs Age 7 to 14 Challenge Level: Three Dice Age 7 to 11 Challenge Level: Can you make square numbers by adding two prime numbers together? What do you mathz is happening to the numbers? The tasks in this collection encourage children to create, recognise, extend and explain number patterns. How do the images help to explain this?