Foundation November 2018 Paper 2 Q3
3.
(a)
(i) Work out the exact value of \(\dfrac{2{\cdot}8 + 3{\cdot}5}{8}\). [1]
(ii) Write your answer correct to 2 decimal places. [1]
(b)
Harvey has used his calculator to work out that 23 × 56 = 1288.
Without using multiplication, what calculation could he do to check that this answer is correct? [1]
| Scheme | Marks | Comments |
|---|---|---|
| (i) 0.7875 | B1 | Accept 63/80. |
| (ii) 0.79 | B1 | FT ‘their 0.7875’ provided that the rounding is of equivalent difficulty. |
| Scheme | Marks | Comments |
|---|---|---|
| 1288 ÷ 56 (= 23) OR 1288 ÷ 23 (= 56) | E1 | Allow equivalent methods that use repeated addition or subtraction. |
| (3) |