NRICH PROBLEM SOLVING KS1 ADDITION

The tasks in this collection encourage children to create, recognise, extend and explain number patterns. Birthday Sharing Age 5 to 7 Challenge Level: Which way should you go to collect the most spells? Got It Age 7 to 14 Challenge Level: Share Bears Age 5 to 7 Challenge Level: Can you find all the ways to get 15 at the top of this triangle of numbers? Find all the numbers that can be made by adding the dots on two dice.

Here are some rods that are different colours. KS1 Age 5 to 7 Challenge Level: Subtraction Surprise Age 7 to 14 Challenge Level: This problem looks at how one example of your choice can show something about the general structure of multiplication. Use these head, body and leg pieces to make Robot Monsters which are different heights. Try with different numbers of squares around the ring.

Can you work out the missing numbers?

Problem Solving :

Arrange the numbers 1 to 6 in each set of circles below. There is a clock-face where the numbers have become all mixed up.

nrich problem solving ks1 addition

Can you go through this maze so that the numbers you pass add to exactly ? Lots to find out, lots to explore. How many different ways can you do it? These lower primary tasks all specifically draw on the use of visualising. Can you discover Buzzy’s pattern and fill in the empty cells for her?

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What would the solution be in each case? Age 5 to 7 Challenge Level: Register for our mailing list.

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Use the interactivity to help you find out how many cloves of garlic they might have had. Finding Zddition Possibilities Lower Primary These activities focus on finding all possible solutions so working in a systematic way will ensure none are left out.

Can you work out the domino pieces which would go in the middle in each case to complete the pattern of these eight sets of 3 dominoes? Subtraction Surprise Age 7 to 14 Challenge Level: Arrange three 1s, three 2s and three 3s in this square so that every row, column and diagonal adds to the same total.

Can you put them on the map of Teddy Town according to the rules? Are these statements relating to calculation and properties of shapes always true, sometimes true or never true? Have a go at this well-known challenge.

nrich problem solving ks1 addition

Lolla bought a balloon at the circus. Age 7 to 11 Challenge Level: Which numbers of bears can they share so that there are none left over?

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The Puzzling Sweet Shop :

Find all the numbers that can be made by adding the dots on two dice. Catrina’s Cards Age 5 to 7 Challenge Level: Incey Wincey Age 3 to 5 Counting.

Which way should you go to collect the most spells? What do you notice nricb these squares of numbers? This activity focuses on doubling multiples of five.

An environment which simulates working with Cuisenaire rods. She has 24 dominoes in her box and there are spots on them altogether. Can you lay out the pictures of the drinks in the way described by the clue cards?

Doing and Undoing Age 5 to 11 Challenge Level: Got It Age 7 solcing 14 Challenge Level: These caterpillars have 16 parts. Try grouping the dominoes in the ways described. Finding Fifteen Age 7 to 11 Challenge Level:

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