2. Now try these. a) (45 + 36) – 29 e) (19 + 32) × 5 i) 88 – (73 – 35)
b) 54 + (32 – 17) f) 37 + (9 × 6) j) (113 – 49) ÷ 8
3. Use your calculator to work these out. a) (27 × 125) + 1483 d) (37 × 42) ÷ 6
4. Can you spot the pattern? a) 2, 6, 10, 14, 18, 22, 26 d) 3, 9, 27, 81, 243, 729
, ,
c) 75 – (28 + 16) g) 91 – (7 × 7) k) 92 – (42 ÷ 6)
b) (3177 + 1908) – 4225 e) 2127 – (245 ÷ 5)
b) 63, 56, 49, 42, 35, 28 e) 96, 48, 24, 12, 6
5. Work out the patterns and fi ll in the missing terms. a) 8, 16, 24, 32, c) 1, 4, 9, 16, 25, e) 3, 7, 13, 21, 31,
, , , , b) 81, 70, 60, 51,
d) 20, 10, 50, 40, 80, f) 55, 48, 51, 44, 47,
d) 9 × (14 + 12) h) (65 – 28) – 29 l) 81 ÷ (38 – 29)
c) (437 ÷ 23) × 59 f) (6185 + 794) ÷ 7
c) 1, 5, 10, 16, 23, 31 f) 5, 11, 8, 14, 11, 17
,
, ,
,
, ,
Recap • I know to do the work inside the brackets fi rst.
• I know what BODMAS means. • I can recognise and describe patterns. • I can recognise patterns in number sequences. • I can extend number sequences.
Rules and Properties
Money
145
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