6.2
4. decrease £680 by 10% 6.7
14. solve: 5x + 1 = 3
6.3
5. divide 132kg in a ratio of 3: 3: 5 6.8
15. find the nth term of this sequence
7 12 17 22 27 23.
work out the height of a triangle with a base 10m and area 20m2.
6.3
6. divide £32 in a ratio of 3: 7 6.8
16. if t(n) = 6n +2, what is the 3rd
term?
6.4
7. if 70% is £14, what is the full
cost? 6.9
17. if y=4x + 3, find the value of y
when x = -2 24.
if the probability of a win is 0.12 and
the probability of a draw is 0.6, what is the probability of a loss?
6.4
8. 4bags of cement do 18m2, how many m2 can be done with 7bags? 6.9
18. y = x + 1 is the equation of a
straight line graph.
what is the gradient of this line?
6.5
9. work out: +
6.21 use π = 3
19. calculate the area of a circle with
radius of 2cm 25.
work out the volume of a cuboid of edge 4m by 4cm by 7cm?
6.5
10. work out: 5 x
6.21 use π = 3
20. calculate the length of the
circumference of a circle with
radius of 7cm