the rapid recall of number facts
Difference and Product
F2: Two small decimals
small numbers are generated, their sum, difference and product are
Hide the two numbers, can you work out what they are from their sum,
product and difference?
Click on 'change' to generate two more numbers.
Hide the product, work out the two numbers from their sum and difference.
Hide the odd or
even labels: is it possible to say whether a sum, product or difference
will be odd or even?
Doubles and halves
Powers and roots
Highest common factor
Lowest common multiple
'Throw' three darts by clicking on the screen or interactive whiteboard.
The scores will be recorded on the blackboard.
Click on the question marks to reveal the scores.
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