List

Year 5 Being Collaborative

Sweets in a box
problem

Sweets in a box

Age
7 to 11
Challenge level
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How many different shaped boxes can you design for 36 sweets in one layer? Can you arrange the sweets so that no sweets of the same colour are next to each other in any direction?
Highest and Lowest
problem

Highest and Lowest

Age
7 to 11
Challenge level
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Put operations signs between the numbers 3 4 5 6 to make the highest possible number and lowest possible number.
Space distances
problem

Space distances

Age
7 to 11
Challenge level
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This task focuses on distances travelled by the asteroid Florence. It's an opportunity to work with very large numbers.
Tumbling Down
problem

Tumbling Down

Age
7 to 11
Challenge level
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Watch this animation. What do you see? Can you explain why this happens?
Less is More
problem

Less is More

Age
7 to 11
Challenge level
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Use your knowledge of place value to try to win this game. How will you maximise your score?
Picture Your Method
problem

Picture Your Method

Age
7 to 11
Challenge level
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Can you match these calculation methods to their visual representations?
Multiplication Squares
problem

Multiplication Squares

Age
7 to 11
Challenge level
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Can you work out the arrangement of the digits in the square so that the given products are correct? The numbers 1 - 9 may be used once and once only.
Compare the Calculations
problem

Compare the Calculations

Age
7 to 11
Challenge level
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Can you put these four calculations into order of difficulty? How did you decide?
Guess What?
problem

Guess What?

Age
7 to 11
Challenge level
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Can you find out which 3D shape your partner has chosen before they work out your shape?
Trebling
problem

Trebling

Age
7 to 11
Challenge level
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Can you replace the letters with numbers? Is there only one solution in each case?
An Easy Way to Multiply by 10?
problem

An Easy Way to Multiply by 10?

Age
7 to 11
Challenge level
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Do you agree with Badger's statements? Is Badger's reasoning 'watertight'? Why or why not?
Brush Loads
problem

Brush Loads

Age
7 to 11
Challenge level
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How can you arrange the 5 cubes so that you need the smallest number of Brush Loads of paint to cover them? Try with other numbers of cubes as well.
Making Rectangles
problem

Making Rectangles

Age
7 to 14
Challenge level
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A task which depends on members of the group noticing the needs of others and responding.
Making Boxes
problem

Making Boxes

Age
7 to 11
Challenge level
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Cut differently-sized square corners from a square piece of paper to make boxes without lids. Do they all have the same volume?
Maze 100
problem

Maze 100

Age
7 to 11
Challenge level
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Can you go through this maze so that the numbers you pass add to exactly 100?
Through the Window
problem

Through the Window

Age
7 to 11
Challenge level
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My local DIY shop calculates the price of its windows according to the area of glass and the length of frame used. Can you work out how they arrived at these prices?
Egyptian Rope
problem

Egyptian Rope

Age
7 to 11
Challenge level
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The ancient Egyptians were said to make right-angled triangles using a rope with twelve equal sections divided by knots. What other triangles could you make if you had a rope like this?
Six Numbered Cubes
problem

Six Numbered Cubes

Age
7 to 11
Challenge level
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This task combines spatial awareness with addition and multiplication.
Forgot the Numbers
problem

Forgot the Numbers

Age
7 to 11
Challenge level
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On my calculator I divided one whole number by another whole number and got the answer 3.125. If the numbers are both under 50, what are they?
Numerically Equal
problem

Numerically Equal

Age
7 to 11
Challenge level
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Can you draw a square in which the perimeter is numerically equal to the area?
Pouring Problem
problem

Pouring Problem

Age
7 to 11
Challenge level
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What do you think is going to happen in this video clip? Are you surprised?
Twenty Divided into Six
problem

Twenty Divided into Six

Age
7 to 11
Challenge level
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Katie had a pack of 20 cards numbered from 1 to 20. She arranged the cards into 6 unequal piles where each pile added to the same total. What was the total and how could this be done?
All the Digits
problem

All the Digits

Age
7 to 11
Challenge level
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This multiplication uses each of the digits 0 - 9 once and once only. Using the information given, can you replace the stars in the calculation with figures?
Reach 100
problem

Reach 100

Age
7 to 11
Challenge level
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Choose four different digits from 1-9 and put one in each box so that the resulting four two-digit numbers add to a total of 100.
Two Primes Make One Square
problem

Two Primes Make One Square

Age
7 to 11
Challenge level
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Can you make square numbers by adding two prime numbers together?
Curious number
problem

Curious number

Age
7 to 11
Challenge level
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Can you order the digits from 1-3 to make a number which is divisible by 3 so when the last digit is removed it becomes a 2-figure number divisible by 2, and so on?
Ribbon Squares
problem

Ribbon Squares

Age
7 to 11
Challenge level
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What is the largest 'ribbon square' you can make? And the smallest? How many different squares can you make altogether?
Fitted
problem

Fitted

Age
7 to 11
Challenge level
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Nine squares with side lengths 1, 4, 7, 8, 9, 10, 14, 15, and 18 cm can be fitted together to form a rectangle. What are the dimensions of the rectangle?