Click on the 'change' button and watch the numbers change. Click on the 'print' button to print a pupil worksheet and an answer sheet. The worksheets can be printed providing the password is entered.

Order, add, subtract, multiply and divide positive and negative numbers 
An example of a wall puzzle: five numbers are on the wall. Write the five numbers below the wall on the right bricks in the wall.

Age 1214
Wall puzzles
The number on a brick is either the sum, difference or product of the two numbers below.
There are 6 levels of difficulty going from showing 5 numbers on the wall (the easiest) to showing none of the numbers on the wall.
Use the slider to determine how many numbers are on the wall then click on the 'change' button. You will only see the effect when the worksheet is printed
There are two types of worksheet:
The numbers on the bricks are the sum of the two numbers below
The numbers on the bricks are the product, sum or difference of the two numbers below


Age 1112
Add and subtract positive and negative numbers. Write a number in each circle so that the number in each square equals the sum of the two numbers on either side of it.
Sum puzzle
Age 1213
Multiply positive and negative numbers. Write a number in each circle so that the number in each square equals the product of the two numbers on either side of it.
Product puzzle 1


Age 1113
Sum, Difference and Product
A problemsolving activity Two numbers (positive or negative) are generated, their sum, difference and product are worked out.
Work out what the two numbers are.


Age 1213
Complete this multiplication table. Positive and negative numbers are used.
Multiplication table 1


Age 1112
Missing numbers: Answer questions such as 12 + = 19
Complete the magic squares
3 x 3 magic square
4 x 4 magic square


Age 1112
Number cell puzzles: the empty cells are filled by adding the two preceding numbers.
Number cell puzzles

Recognise multiples 

Age 1112
Find the lowest common multiple of two numbers, eg 16 and 24
Find the highest common factor of two numbers, eg 36 and 27


Investigate problems such as:
Age 1112
Write a number in each circle so that the number in each square equals the product of the two numbers on either side of it.

