a) 1687
b) 624
a) 3214 (use bus stop method to calculate)
b) 32 (use bus stop method to calculate)
a) 12,360 (simple HTU approach)
b) 1,142 (simple HTU approach)
a) 8
b) 56
For both of the above questions, remember the rules of BIDMAS. BIDMAS stands for Brackets, Indices, Division, Multiplication, Addition, Subtraction. Solve questions in this order.