List

Year 2 Exploring and noticing

Strike it out
problem

Strike it out

Age
5 to 11
Challenge level
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Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

Triple Cubes
problem

Triple cubes

Age
5 to 11
Challenge level
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This challenge involves eight three-cube models made from interlocking cubes. Investigate different ways of putting the models together then compare your constructions.

Ip Dip
problem

Ip dip

Age
5 to 11
Challenge level
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"Ip dip sky blue! Who's 'it'? It's you!" Where would you position yourself so that you are 'it' if there are two players? Three players ...?

Sitting round the party tables
problem

Sitting round the party tables

Age
5 to 11
Challenge level
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Sweets are given out to party-goers in a particular way. Investigate the total number of sweets received by people sitting in different positions.
I'm Eight
problem

I'm eight

Age
5 to 11
Challenge level
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Find a great variety of ways of asking questions which make 8.
Order, Order!
problem

Order, order!

Age
5 to 11
Challenge level
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Can you place these quantities in order from smallest to largest?

Let's Investigate Triangles
problem

Let's investigate triangles

Age
5 to 7
Challenge level
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Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?

Sticky Data
problem

Sticky data

Age
5 to 7
Challenge level
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You'll need to work in a group on this problem. Use your sticky notes to show the answer to questions such as 'how many girls are there in your group?'.
Next Domino
problem

Next domino

Age
5 to 7
Challenge level
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Which comes next in each pattern of dominoes?
problem

Domino patterns

Age
5 to 7
Challenge level
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What patterns can you make with a set of dominoes?

Round the Two Dice
problem

Round the two dice

Age
5 to 7
Challenge level
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This activity focuses on rounding to the nearest 10.

problem

Buzzy bee

Age
5 to 7
Challenge level
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Buzzy Bee was building a honeycomb. She decorated the honeycomb with a pattern using numbers. Can you discover Buzzy's pattern and fill in the empty cells for her?

Five Steps to 50
problem

Five steps to 50

Age
5 to 7
Challenge level
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Use five steps to count forwards or backwards in 1s or 10s to get to 50. What strategies did you use?

Dicey Addition
problem

Dicey addition

Age
5 to 11
Challenge level
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In these addition games, you'll need to think strategically to get closest to the target.

Paper Patchwork 1
problem

Paper patchwork 1

Age
5 to 7
Challenge level
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Can you work out what shape is made when this piece of paper is folded up using the crease pattern shown?

Domino Sequences
problem

Domino sequences

Age
5 to 7
Challenge level
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Find the next two dominoes in these sequences.
Paper Patchwork 2
problem

Paper patchwork 2

Age
5 to 7
Challenge level
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Have a go at making a few of these shapes from paper in different sizes. What patterns can you create?

Carroll Diagrams
problem

Carroll diagrams

Age
5 to 11
Challenge level
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Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

Digit Addition
problem

Digit addition

Age
5 to 11
Challenge level
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Try out this number trick. What happens with different starting numbers? What do you notice?

What's in a Name?
problem

What's in a name?

Age
5 to 7
Challenge level
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What do you notice about these squares of numbers? What is the same? What is different?
Subtraction Slip
problem

Subtraction slip

Age
5 to 7
Challenge level
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Can you spot the mistake in this video? How would you work out the answer to this calculation?

What Shape and Colour?
problem

What shape and colour?

Age
5 to 7
Challenge level
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Can you fill in the empty boxes in the grid with the right shape and colour?

Ladybird Count
problem

Ladybird count

Age
5 to 7
Challenge level
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Some children were playing a game. Make a graph or picture to show how many ladybirds each child had.

Cover the Camel
problem

Cover the camel

Age
5 to 7
Challenge level
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Can you cover the camel with these pieces?

Sort the Street
problem

Sort the street

Age
5 to 7
Challenge level
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Sort the houses in my street into different groups. Can you do it in any other ways?

100 Square Jigsaw
problem

100 square jigsaw

Age
5 to 7
Challenge level
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Can you complete this jigsaw of the 100 square?
Growing Garlic
problem

Growing garlic

Age
5 to 11
Challenge level
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Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?

Tug of War
problem

Tug of war

Age
5 to 7
Challenge level
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Can you use the numbers on the dice to reach your end of the number line before your partner beats you?

Chain of Changes
problem

Chain of changes

Age
5 to 7
Challenge level
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Arrange the shapes in a line so that you change either colour or shape in the next piece along. Can you find several ways to start with a blue triangle and end with a red circle?

Missing Middles
problem

Missing middles

Age
5 to 7
Challenge level
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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 three dominoes?
Birthday Cakes
problem

Birthday cakes

Age
5 to 7
Challenge level
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Jack's mum bought some candles to use on his birthday cakes and when his sister was born, she used them on her cakes too. Can you use the information to find out when Kate was born?
Heads and Feet
problem

Heads and feet

Age
5 to 7
Challenge level
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On a farm there were some hens and sheep. Altogether there were 8 heads and 22 feet. How many hens were there?
Skeleton Shapes
problem

Skeleton shapes

Age
5 to 7
Challenge level
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How many balls of modelling clay and how many straws does it take to make these skeleton shapes?

Make 37 Poster
problem

Make 37

Age
5 to 11
Challenge level
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Four bags contain a large number of 1s, 3s, 5s and 7s. Can you pick any ten numbers from the bags so that their total is 37?

Eggs in Baskets
problem

Eggs in baskets

Age
5 to 7
Challenge level
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There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. How many eggs are in each basket?

Making Longer, Making Shorter
problem

Making longer, making shorter

Age
5 to 7
Challenge level
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Ahmed is making rods using different numbers of cubes. Which rod is twice the length of his first rod?

Secret Number
problem

Secret number

Age
5 to 7
Challenge level
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Annie and Ben are playing a game with a calculator. What was Annie's secret number?

problem

Caterpillars

Age
5 to 7
Challenge level
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These caterpillars have 16 parts. What different shapes do they make if each part lies in the small squares of a 4 by 4 square?

Number Round Up
problem

Number round up

Age
5 to 7
Challenge level
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Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.
The Brown Family
problem

The Brown family

Age
5 to 7
Challenge level
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Use the information about Sally and her brother to find out how many children there are in the Brown family.

Complete the Square
problem

Complete the square

Age
5 to 7
Challenge level
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Complete the squares - but be warned some are trickier than they look!

Stop the Clock
problem

Stop the clock

Age
5 to 7
Challenge level
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This is a game for two players. Can you find out how to be the first to get to 12 o'clock?

Which symbol?
problem

Which symbol?

Age
7 to 11
Challenge level
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Choose a symbol to put into the number sentence.