### NRICH PROBLEM SOLVING KS1

Can you place these quantities in order from smallest to largest? How would you find out how many football cards Catrina has collected? Can you put them on the map of Teddy Town according to the rules? Age 5 to 7 Trial and Improvement at KS1 These lower primary tasks could all be tackled using a trial and improvement approach. If there are 3 squares in the ring, can you place three different numbers in them so that their differences are odd? 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 create your own repeating pattern?

Can you match the cards? Working Systematically at KS1. What could the half time scores have been in these Olympic hockey matches? Weighted Numbers Age 5 to 7 Challenge Level: If there are 3 squares in the ring, can you place three different numbers in them so that their differences are odd? How many lollies could there have been in the bag?

There are some families of seven people living in the town. Hundred Square Age 5 to 7 Challenge Level: Our Numbers Age 5 to 7 Challenge Level: How much money might he have?

Here are some short problems for you to try. Tasks for KS1 children which focus on working systematically.

## Estimating, Comparing, Measuring KS1

Register for our mailing list. Timing Age 3 to 5 Counting and comparing numbers.

An investigation looking at doing and undoing mathematical operations focusing on doubling, halving, adding and subtracting. Compare the Cups live Age 5 to 7 Challenge Level: An old game but lots of arithmetic!

## Addition and Subtraction KS1

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. There are nine teddies in Teddy Town – three red, three pgoblem and three yellow.

Age 5 to 11 Challenge Level: This article offers you practical ways to investigate aspects of your classroom culture.

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. A group of children are discussing the height of a tall tree.

# Problem Solving and Mastery Ideas | Manadon Vale Primary School

Writing Digits Age 5 to 7 Challenge Level: These pieces of wallpaper need to be ordered from smallest to largest. Number Lines Age 5 to 7 Challenge Level: Register for our mailing list. Nrih is on the back of ? Find all the numbers that can be made by adding the dots on two dice. Number Rhymes Age 3 to 5 Counting down from 10 and up to 10 Saying how many there are altogether. What was the last number she wrote?

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What is the same? Use the interactivity to help get a feel for this problem and to find out all the possible ways the balls could land. Number Talks Sokving 3 to 5 Recognising, creating and describing patterns with numbers. Chairs and Tables Age 5 to 7 Challenge Level: What nrkch each of the children buy with their money?

This challenge is about finding the difference between numbers which have the same tens digit.

Age 7 to 11 Visualising at KS2 These upper primary tasks all specifically draw on the use of visualising. Double Trouble Age 3 to 5 Doubling numbers. Lee was writing all the counting numbers from 1 to She decorated the honeycomb with a pattern using numbers.