List

Year 7 Being Collaborative

Fractions jigsaw
problem
Favourite

Fractions Jigsaw

Age
11 to 14
Challenge level
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A jigsaw where pieces only go together if the fractions are equivalent.

m, m and m
problem
Favourite

M, M and M

Age
11 to 14
Challenge level
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If you are given the mean, median and mode of five positive whole numbers, can you find the numbers?

Quadrilaterals game
game
Favourite

Quadrilaterals Game

Age
11 to 14
Challenge level
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A game for 2 or more people, based on the traditional card game Rummy.

Multiples Sudoku
problem
Favourite

Multiples Sudoku

Age
11 to 14
Challenge level
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Each clue in this Sudoku is the product of the two numbers in adjacent cells.

Factors and Multiples Game
game
Favourite

Factors and Multiples Game

Age
7 to 16
Challenge level
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A game in which players take it in turns to choose a number. Can you block your opponent?

Countdown fractions
problem
Favourite

Countdown Fractions

Age
11 to 16
Challenge level
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Here is a chance to play a fractions version of the classic Countdown Game.

Countdown
game
Favourite

Countdown

Age
7 to 14
Challenge level
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Here is a chance to play a version of the classic Countdown Game.

Sticky Numbers
problem
Favourite

Sticky Numbers

Age
11 to 14
Challenge level
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Can you arrange the numbers 1 to 17 in a row so that each adjacent pair adds up to a square number?

Up, down, flying around
game
Favourite

Up, Down, Flying Around

Age
11 to 14
Challenge level
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Play this game to learn about adding and subtracting positive and negative numbers

Summing Consecutive Numbers
problem
Favourite

Summing Consecutive Numbers

Age
11 to 14
Challenge level
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15 = 7 + 8 and 10 = 1 + 2 + 3 + 4. Can you say which numbers can be expressed as the sum of two or more consecutive integers?

Magic Letters
problem
Favourite

Magic Letters

Age
11 to 14
Challenge level
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Charlie has made a Magic V. Can you use his example to make some more? And how about Magic Ls, Ns and Ws?

Dozens
problem
Favourite

Dozens

Age
7 to 14
Challenge level
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Can you select the missing digit(s) to find the largest multiple?

Hidden Squares
problem
Favourite

Hidden Squares

Age
11 to 14
Challenge level
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Can you find the squares hidden on these coordinate grids?

Add to 200
problem
Favourite

Add to 200

Age
11 to 14
Challenge level
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By selecting digits for an addition grid, what targets can you make?

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.

More Less is More
problem
Favourite

More Less is More

Age
7 to 14
Challenge level
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In each of these games, you will need a little bit of luck and your knowledge of place value to develop a winning strategy.

Shady Symmetry
problem
Favourite

Shady Symmetry

Age
11 to 14
Challenge level
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How many different symmetrical shapes can you make by shading triangles or squares?

Square It
problem
Favourite

Square It

Age
11 to 16
Challenge level
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Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.

Connect Three
problem
Favourite

Connect Three

Age
11 to 16
Challenge level
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In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?

Thousands and Millions
problem
Favourite

Thousands and Millions

Age
11 to 14
Challenge level
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Here's a chance to work with large numbers...

problem
Favourite

Doughnut Percents

Age
7 to 14
Challenge level
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Can you make doughnuts by matching these fractions, decimals and percentages?

Sealed Solution
problem
Favourite

Sealed Solution

Age
7 to 14
Challenge level
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Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?

Number Lines in Disguise
problem
Favourite

Number Lines in Disguise

Age
7 to 14
Challenge level
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Some of the numbers have fallen off Becky's number line. Can you figure out what they were?

A chopped carrot beside a whole carrot. The carrot top sits away from the chopped carrot.
problem
Favourite

Remainders

Age
7 to 14
Challenge level
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I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?

Two and Two
problem
Favourite

Two and Two

Age
7 to 16
Challenge level
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How many solutions can you find to this sum? Each of the different letters stands for a different number.