# NRICH PROBLEM SOLVING KS1

### NRICH PROBLEM SOLVING KS1

On the same day he sowed a bean in another pot. How many different triangles can you draw on the dotty grid which each have one dot in the middle? Age 5 to 7 Challenge Level: Biscuit Decorations Age 5 to 7 Challenge Level: How many trains can you make which are the same length as Matt’s, using rods that are identical? Can you create your own repeating pattern?

Can you use the information to find out when Kate was born? Double Trouble Age 3 to 5 Doubling numbers. KS1 Age 5 to 7 Challenge Level: How many ways can you find to do up all the buttons? Secret Number 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 solvingg into everyday classroom practice. Leah and Tom each have a number line.

These activities lend themselves to systematic working in the sense that it helps to have an ordered approach. Try continuing these patterns made from triangles. Which ones do you have to leave out? Ben and his mum are planting garlic.

Register for our mailing list. Start with the smallest. Number Detective Age 5 to 11 Challenge Level: Kimie and Sebastian were making sticks from interlocking cubes solvnig lining them up. Clapping Times Age 5 to 7 Challenge Level: Always, Sometimes or Never? Ngich challenge is about finding the difference between numbers which have the same tens digit.

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# Working Systematically at KS1 :

Ahmed is making rods using different numbers of cubes. Here are some arrangements of circles. Every day it doubled its height.

Can they make their lines the same length? Can you each work out the number on your card? Different Sizes Age 5 to 11 Prpblem 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 solvlng into everyday classroom practice.

Can you use the information given to find out how many eggs are in each basket? Are these statements relating to odd and even numbers always problen, sometimes true or never true?

## Counting and Ordering KS1

Domino Sorting Age 5 to 7 Challenge Level: A group of children are discussing the height of a tall tree. Make one big triangle so the numbers that touch on the small triangles add to The lower primary tasks in this collection could each be solved by working backwards. How many lollies could there have been in the bag? Getting the Balance Age 5 to 7 Challenge Level: This feature is somewhat larger than our usual features, but that is because it is packed with resources to help you develop a problem-solving approach to the teaching and learning of mathematics.

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First they were counting in twos. Growing Garlic Age 5 to 7 Challenge Level: What do you notice? Can you find some paths of your own? Long Proglem Age 3 to 5 This activity focuses on making long creatures out of card to compare with each other.

This problem is designed to help children to learn, and to use, the two and three times tables.