Working systematically

problem

A-Magical Number Maze

Age

7 to 11

Challenge level

2 out of 3

This magic square has operations written in it, to make it into a maze. Start wherever you like, go through every cell and go out a total of 15!
problem

Home Time

Age

7 to 11

Challenge level

2 out of 3

Alice's mum needs to go to each child's house just once and then back home again. How many different routes are there? Use the information to find out how long each road is on the route she took.
problem

Seven Pots of Plants

Age

7 to 11

Challenge level

2 out of 3

There are seven pots of plants in a greenhouse. They have lost their labels. Perhaps you can help re-label them.
problem

A Square Deal

Age

7 to 11

Challenge level

2 out of 3

Complete the magic square using the numbers 1 to 25 once each. Each row, column and diagonal adds up to 65.
problem

Eight Queens

Age

7 to 11

Challenge level

2 out of 3

Place eight queens on an chessboard (an 8 by 8 grid) so that none can capture any of the others.
problem

Elf Suits

Age

7 to 11

Challenge level

2 out of 3

If these elves wear a different outfit every day for as many days as possible, how many days can their fun last?
problem

Adding Plus

Age

7 to 11

Challenge level

2 out of 3

Can you put plus signs in so this is true? 1 2 3 4 5 6 7 8 9 = 99 How many ways can you do it?
problem

All Seated

Age

7 to 11

Challenge level

2 out of 3

Look carefully at the numbers. What do you notice? Can you make another square using the numbers 1 to 16, that displays the same properties?
problem

Chocoholics

Age

7 to 11

Challenge level

2 out of 3

George and Jim want to buy a chocolate bar. George needs 2p more and Jim need 50p more to buy it. How much is the chocolate bar?
problem

Rabbits in the Pen

Age

7 to 11

Challenge level

2 out of 3

Using the statements, can you work out how many of each type of rabbit there are in these pens?