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### Number and algebra

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### Advanced mathematics

# Year 7 Being Collaborative

### Shady Symmetry

### Add to 200

### Square It

### Quadrilaterals Game

### More Less Is More

### Factors and Multiples Puzzle

### Fractions Jigsaw

### Factors and Multiples Game

### M, M and M

### Multiples Sudoku

### Countdown

### Have You Got It?Live

### Countdown Fractions

### Summing Consecutive Numbers

### Sticky Numbers

### Magic Letters

### Up, Down, Flying Around

### Number Lines in Disguise

### Connect Three

### Doughnut Percents

### Remainders

### Two and Two

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Age 11 to 14

Challenge Level

How many different symmetrical shapes can you make by shading triangles or squares?

Age 11 to 14

Challenge Level

By selecting digits for an addition grid, what targets can you make?

Age 11 to 16

Challenge Level

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.

Age 11 to 14

Challenge Level

A game for 2 or more people, based on the traditional card game Rummy.

Age 7 to 14

Challenge Level

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

Age 11 to 14

Challenge Level

Using your knowledge of the properties of numbers, can you fill all the squares on the board?

Age 11 to 14

Challenge Level

A jigsaw where pieces only go together if the fractions are equivalent.

Age 7 to 16

Challenge Level

A game in which players take it in turns to choose a number. Can you block your opponent?

Age 11 to 14

Challenge Level

If you are given the mean, median and mode of five positive whole numbers, can you find the numbers?

Age 11 to 14

Challenge Level

Each clue in this Sudoku is the product of the two numbers in adjacent cells.

Age 7 to 14

Challenge Level

Here is a chance to play a version of the classic Countdown Game.

Age 11 to 14

Challenge Level

Can you explain the strategy for winning this game with any target?

Age 11 to 16

Challenge Level

Here is a chance to play a fractions version of the classic Countdown Game.

Age 11 to 14

Challenge Level

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?

Age 11 to 14

Challenge Level

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

Age 11 to 14

Challenge Level

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

Age 11 to 14

Challenge Level

Play this game to learn about adding and subtracting positive and negative numbers

Age 7 to 14

Challenge Level

Some of the numbers have fallen off Becky's number line. Can you figure out what they were?

Age 11 to 16

Challenge Level

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

Age 7 to 14

Challenge Level

A task involving the equivalence between fractions, percentages and decimals which depends on members of the group noticing the needs of others and responding.

Age 7 to 14

Challenge Level

I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?

Age 7 to 16

Challenge Level

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