All the bug races and worksheets are on Maths Online

Millennium Bug Races and Worksheets
Bug race 3

Sum of two numbers

Age range 8 - 11 Key Stage 2
These activities are probably most suitable for children in Years 4, 5 and 6, but some could be used with older or younger pupils.
The worksheets can be used to reinforce the number work.

Outline of the activities

Worksheets

The worksheet creator enables you to produce an almost infinite(!) number of worksheets. Click on "new worksheet" and the numbers will change. Print the worksheet when you are happy with the numbers generated. An answer sheet and a pupil question sheet (without answers!) will be printed. PC users can click the right button on their mouse to go forward or back through the pages of the worksheet.

Sum of two numbers
Number bonds to any whole number 1 to 1000
Doubling any whole number 1 to 1000
Percentages of money
Out of.... percentages

Bug race games

A collection of two player games designed to reinforce number facts.

The games could be played between two individuals or two groups of children. The aim of the game is to answer the questions correctly; every correct answer moves your bug forward. The first to cross the finishing line is the winner.

Bug race 1 Sum of two numbers (10 to 50)
Bug race 2 Sum of two numbers (30 to 130)
Bug race 3 Sum of any two numbers
Links to the National Numeracy Strategy:
Years 4,5 and 6 Use known number facts and place value to add mentally any pair of two-digit whole numbers.

Links to the Maths National Curriculum:
Key Stage 2 Mental methods
Recall all addition and subtraction facts for each number to 20.
Add any pair of two-digit whole numbers.
Level 3
They add numbers with two digits mentally.

Bug race 4 Difference between two numbers (10 to 60)
Bug race 5 Difference between a negative and a positive number (-20 to 20)
Bug race 6 Difference between any two numbers
Links to the National Numeracy Strategy:
Year 4 Use known number facts and place value to subtract mentally any pair of two-digit whole numbers.
Years 5 and 6 Find differences by counting through next multiple of 10, 100 or 100.

Links to the Maths National Curriculum:
Key Stage 2 Mental methods
Recall all addition and subtraction facts for each number to 20.
Subtract any pair of two-digit whole numbers.
Level 3
They subtract numbers with two digits mentally.

Bug race 7 Times tables (2 to 12)
Links to the National Numeracy Strategy:
Year 4 Know by heart multiplication facts for 2, 3, 4, 5 and 10 times-tables. Begin to know multiplication facts for 6, 7, 8 and 9 times-tables.
Years 5 and 6 Know by heart all multiplication facts up to 10 x 10.

Links to the Maths National Curriculum:
Key Stage 2 Mental methods
Recall multiplication facts to 10 x 10.
Level 4
Mental recall of multiplication facts up to 10 x 10.

Bug race 8 Number bonds to any whole number
Bug race 9 Number bonds to 100
Bug race 10 Number bonds to 1
Links to the National Numeracy Strategy:
Year 5 Derive quickly or continue to derive quickly: decimals that total 1, all two-digit pairs that total 100.

Links to the Maths National Curriculum:
Key Stage 2 Mental methods
Work out what they need to add to any two-digit number to make 100.
Level 3
They begin to use decimal notation. They add and subtract numbers with two digits mentally.

Bug race 11 Doubling numbers 1 to 50
Bug race 12 Doubling numbers 20 to 100
Bug race 13 Doubling any whole number
Links to the National Numeracy Strategy:
Year 4 Doubles of all whole numbers to 50
Year 5 Doubles of all whole numbers 1 to 100

Links to the Maths National Curriculum:
Key Stage 2 Mental methods
Double and halve any two-digit number
Level 3
They add numbers with two digits mentally.

Bug race 14 Finding a percentage of an amount
Bug race 15 Finding a percentage of an amount (with a number line)
Links to the National Numeracy Strategy:
Year 6 Find simple percentages of small whole-number quantities.

Links to the Maths National Curriculum:
Key Stage 2 Fractions, percentages and ratio:
Find percentages of whole number quantities.
Level 5
They calculate percentage parts of quantities.