How to Calculate Median, Mode, Mean, Variance, and ...

Find the difference between two numbers by counting forwards . Subtract numbers within 20 . Link with place value e.g. 8 - 2= 6; 80-20=60. Number line activities – count forwards or backwards to calculate subtractions . Simple puzzles, target games . Moving from one number to the other e.g. from 6 to 2. Rapid recall . Recognise two odd numbers with a difference of ___ Two numbers with a ... ................
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