(Calculator not allowed) 1 Write in the missing numbers: a) 150 + __ = 500.
b) 172 - __ = 60.
2 Calculate 369 + 251.
3 A shop sells batteries in packs of four and packs of two. A pack of four costs pound;1.48, while a pack of two costs 85p.
a) Simon and Nick want two batteries each. They buy a pack of four and share the cost equally. How much does each pay?
b)Mary buys two packs of two batteries. Hamid buys one pack of four. How much more does Mary pay than Hamid?
4 Circle two numbers that add to make 0.12: 0.1, 0.5, 0.05, 0.7, 0.07, 0.2 5 Calculate three-quarters of 840.
6 The sequence of numbers goes up by 40 each time: 40, 80, 120, 160, 200...
Will the number 2140 be in the sequence? Explain how you know.
