16:15 – 17:15 CAT
Monday 7th of June 2021
Part 2 of 3
Using a range of techniques to perform and check written and mental calculations with whole numbers including estimation, adding and subtracting in columns, building up and breaking down numbers, using a number line, rounding off and compensating, doubling and halving, using addition and subtraction as inverse operations, using multiplication and division as inverse operations
