Number Bonds

Microsoft Excel required
A new set of random numbers every time the file is opened.
Unlimited number of worksheets
8 files, 100 questions on each A4 page
20 questions on each day of the week, Monday to Friday
Addition: Random single digit plus random single digit e.g. 3 + 7
Random number between 10-20 + single digit e.g. 14+8
Random single digit + random double digit e.g 7 + 13
Random single digit + random double digit between 10 and 99 e.g. 8+76
Random double digit between 10 and 99 + random single digit e.g. 39 + 8

Subtraction: Random double digit between 10 and 99 - single digit e.g. 82-9
Multiplication: Randon number between 2 and 12 x random number between 2 and 12. e.g. 9X5
Combination: A mixture of Addition, Subtraction and Multiplication for each day of the week.
Really effective as a warm up exercise either as a photocopiable worksheet or IWB exercise. Pupils can keep a score of achievement at the bottom of the page.
Also effective as a booster for those that find number bonds challenging.