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### Advanced mathematics

# Primary Games and Puzzles for Summer 2021

### We have a challenge a day for you throughout the summer break...

### Seeing Squares

### Less Is More

### First Connect Three

### Got It

### Junior Frogs

### Incey Wincey Spider

### Factors and Multiples Game

### Dicey Operations in Line

### The Remainders Game

### Countdown

### Train Tactics

### Treasure Hunt

### Fruity Totals

### The Number Jumbler

### Four Go

### Dicey Perimeter, Dicey Area

### Tug of War

### Missing Multipliers

### Play to 37

### Nice or Nasty

### Board Block Challenge

### Strike it Out

### Stop the Clock

### The Twelve Pointed Star Game

### Board Block

### Dotty Six

### Reach 100

### Escape from the Castle

### A First Product Sudoku

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Each weekday from 19 July to 31 August, a new game or puzzle will appear on this page.

After you've had a go at the day's challenge you may be able to compare your approach to the solutions we have published, which are based on students' work.

You can also find Secondary Games and Puzzles for Summer 2021.

Age 5 to 11

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 7 to 11

Challenge Level

Use your knowledge of place value to try to win this game. How will you maximise your score?

Age 7 to 11

Challenge Level

Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?

Age 7 to 14

Challenge Level

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.

Age 5 to 11

Challenge Level

Have a go at this well-known challenge. Can you swap the frogs and toads in as few slides and jumps as possible?

Age 5 to 7

Challenge Level

You'll need two dice to play this game against a partner. Will Incey Wincey make it to the top of the drain pipe or the bottom of the drain pipe first?

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 7 to 11

Challenge Level

Who said that adding, subtracting, multiplying and dividing couldn't be fun?

Age 7 to 14

Challenge Level

Play this game and see if you can figure out the computer's chosen number.

Age 7 to 14

Challenge Level

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

Age 7 to 11

Challenge Level

A train building game for two players. Can you be the one to complete the train?

Age 7 to 14

Challenge Level

Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?

Age 7 to 16

Challenge Level

In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?

Age 7 to 14

Challenge Level

The Number Jumbler can always work out your chosen symbol. Can you work out how?

Age 7 to 11

Challenge Level

This challenge is a game for two players. Choose two of the numbers to multiply or divide, then mark your answer on the number line. Can you get four in a row?

Age 7 to 11

Challenge Level

In this game for two players, you throw two dice and find the product. How many shapes can you draw on the grid which have that area or perimeter?

Age 5 to 7

Challenge Level

Can you use the numbers on the dice to reach your end of the number line before your partner beats you?

Age 7 to 14

Challenge Level

What is the smallest number of answers you need to reveal in order to work out the missing headers?

Age 7 to 11

Challenge Level

In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.

Age 7 to 14

Challenge Level

There are nasty versions of this dice game but we'll start with the nice ones...

Age 7 to 11

Challenge Level

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

Age 5 to 11

Challenge Level

Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

Age 5 to 7

Challenge Level

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

Age 7 to 11

Challenge Level

Have a go at this game which involves throwing two dice and adding their totals. Where should you place your counters to be more likely to win?

Age 5 to 7

Challenge Level

Take it in turns to make a triangle on the pegboard. Can you block your opponent?

Age 5 to 11

Challenge Level

Dotty Six is a simple dice game that you can adapt in many ways.

Age 7 to 11

Challenge Level

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.

Age 7 to 14

Challenge Level

Skippy and Anna are locked in a room in a large castle. The key to that room, and all the other rooms, is a number. The numbers are locked away in a problem. Can you help them to get out?

Age 7 to 14

Challenge Level

Given the products of adjacent cells, can you complete this Sudoku?