1. Flow diagrams (i) (ii) (iii) x 3 8 24 + 3 8 11 – 3 8 5 Example
Place the missing answer in each of the circles below
(i)
(ii)
(iii)
x 3 8 24
+ 3 8 11
– 3 8 5

2. (iv) (v) (vi) (vii) (viii) (ix) x 3 a 3a + b a a + b – d 2e x m 5 5m
2e – d
x m 5 5m
x 3i 5h
15hi
– 3k 7k 4k

3. Example
What should be written in the rectangles for each of the following?
(i)
(ii)
(iii)
(iv)
x 4 6 24
+ 4 7 11
– 4 9 5
 4 32 8

4. (v) x a 5 5a (vi) (vii) + y 7 7 + y (viii) (ix) – 4 (x) b b – 4 x 4 2h3u
3u – v
x 4r 3s
12rs

5. (xi)
(xii)
(xiii)
x 5a 6a
30a2
+ 2d 7d 9d
– 4m
12m 8m

6. Example
What should be written next to the symbol for each of the following?
(i)
(ii)
(iii)
(iv) x 4 6 24 + 7 3 10 – 8 13 5 8  48 6

7. (v) (vi) (vii) (viii) (ix) x r p pr + 3j 7j 10j – 2m 9n x 4n 3m 12mn x4b 5b
20b2