Short Division: The Bus Stop Method
Bruno the bear shares 492 jars of honey between 4 friends, using the bus stop method one digit at a time, carrying remainders across. Then try 365 ÷ 5 yourself and learn to check by multiplying back.
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1:37Estimating Answers by Rounding
Which is the best estimate for 49 × 21? Momo the monkey rounds each number to something friendly (50 × 20) to get about 1,000 in seconds. Learn to estimate before you calculate and to use an estimate to catch mistakes, then estimate 398 + 203 yourself.
1:59Order of Operations (BIDMAS)
Fizz the fox thinks 3 + 4 × 2 is 14, but Professor Hoot the owl shows why it is 11. Learn BIDMAS (brackets, indices, divide and multiply, add and subtract), then try (10 − 4) × 3 and see why equal partners go left to right.
2:19Column Addition and Subtraction: Carrying and Exchanging
Bruno the bear adds 476 + 358 in columns, starting with the ones and carrying when a column makes ten or more (834). Then learn exchanging for subtraction with 62 − 27, and try 503 − 168 yourself, where you have to exchange across a zero.