List

Year 3 Exploring and Noticing

Strike it out
problem
Favourite

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
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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.

If the World Were a Village
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If the World Were a Village

Age
5 to 11
Challenge level
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This activity is based on data in the book 'If the World Were a Village'. How will you represent your chosen data for maximum effect?

4 Dom
problem
Favourite

4 Dom

Age
5 to 11
Challenge level
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Use these four dominoes to make a square that has the same number of dots on each side.
Real Statistics
problem
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Real Statistics

Age
7 to 11
Challenge level
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Have a look at this table of how children travel to school. How does it compare with children in your class?

What's in the Box?
problem
Favourite

What's in the Box?

Age
7 to 11
Challenge level
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This big box multiplies anything that goes inside it by the same number. If you know the numbers that come out, what multiplication might be going on in the box?

Magic Vs
problem
Favourite

Magic Vs

Age
7 to 11
Challenge level
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Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?

Coded hundred square
problem
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Coded hundred square

Age
7 to 11
Challenge level
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This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?
Planning a School Trip
problem
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Planning a School Trip

Age
7 to 11
Challenge level
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You are organising a school trip and you need to write a letter to parents to let them know about the day. Use the cards to gather all the information you need.
Follow the numbers
problem
Favourite

Follow the numbers

Age
7 to 11
Challenge level
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What happens when you add the digits of a number then multiply the result by 2 and you keep doing this? You could try for different numbers and different rules.

Fifteen cards
problem
Favourite

Fifteen cards

Age
7 to 11
Challenge level
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Can you use the information to find out which cards I have used?
The Domesday Project
problem
Favourite

The Domesday Project

Age
7 to 11
Challenge level
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Take a look at these data collected by children in 1986 as part of the Domesday Project. What do they tell you? What do you think about the way they are presented?

Our Sports
problem
Favourite

Our Sports

Age
7 to 11
Challenge level
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This problem explores the range of events in a sports day and which ones are the most popular and attract the most entries.

Consecutive Numbers
problem
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Consecutive Numbers

Age
7 to 14
Challenge level
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An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.

Which Scripts?
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Which Scripts?

Age
7 to 11
Challenge level
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There are six numbers written in five different scripts. Can you sort out which is which?
A Puzzling Cube
problem
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A Puzzling Cube

Age
7 to 11
Challenge level
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Here are the six faces of a cube - in no particular order. Here are three views of the cube. Can you deduce where the faces are in relation to each other and record them on the net of this cube?

Clocks
problem
Favourite

Clocks

Age
7 to 11
Challenge level
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These clocks have been reflected in a mirror. What times do they say?

Number Differences
problem
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Number Differences

Age
7 to 11
Challenge level
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Place the numbers from 1 to 9 in the squares below so that the difference between joined squares is odd. How many different ways can you do this?
Two Clocks
problem
Favourite

Two Clocks

Age
7 to 11
Challenge level
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These clocks have only one hand, but can you work out what time they are showing from the information?

Three neighbours
problem
Favourite

Three neighbours

Age
7 to 14
Challenge level
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Take three consecutive numbers and add them together. What do you notice?
Now and Then
problem
Favourite

Now and Then

Age
7 to 11
Challenge level
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Have a look at the results for some events at past Olympic Games. Can you use these to predict the results at the next Olympics?

Move those Halves
problem
Favourite

Move those Halves

Age
7 to 11
Challenge level
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For this task, you'll need an A4 sheet and two A5 transparent sheets. Decide on a way of arranging the A5 sheets on top of the A4 sheet and explore ...

Roll these Dice
problem
Favourite

Roll these Dice

Age
7 to 11
Challenge level
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Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?

Domino Square
problem
Favourite

Domino Square

Age
7 to 11
Challenge level
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Use the 'double-3 down' dominoes to make a square so that each side has eight dots.
Wonky Watches
problem
Favourite

Wonky Watches

Age
7 to 11
Challenge level
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Stuart's watch loses two minutes every hour. Adam's watch gains one minute every hour. Use the information to work out what time (the real time) they arrived at the airport.

Amy's Dominoes
problem
Favourite

Amy's Dominoes

Age
7 to 11
Challenge level
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Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?
Got It
problem
Favourite

Got It

Age
7 to 14
Challenge level
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A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.

Inky Cube
problem
Favourite

Inky Cube

Age
7 to 14
Challenge level
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This cube has ink on each face which leaves marks on paper as it is rolled. Can you work out what is on each face and the route it has taken?

Watch the clock
problem
Favourite

Watch the clock

Age
7 to 11
Challenge level
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During the third hour after midnight the hands on a clock point in the same direction (so one hand is over the top of the other). At what time, to the nearest second, does this happen?
Board Block Challenge
problem
Favourite

Board Block Challenge

Age
7 to 11
Challenge level
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Choose the size of your pegboard and the shapes you can make. Can you work out the strategies needed to block your opponent?