Place value, ordering and decimal operations
3 exam-style questions. Answers and the mark for each step are on the last page.
- Question 1
Answer each part without a calculator.
(a) Work out
(b) Work out
(c) Which of these numbers is the largest: , or ?
- Question 2
(a) Work out 3.6 0.24.
- Question 3
A straight fence is m long. It is made from panels that are each m wide, with a post at each end of every panel. Each panel costs £23.75 and each post costs £6.40.
(a) Work out the total cost of the panels and posts for the fence.
Answers and marks
Question 1
(a)
- B1 The correct answer, .
(b)
- M1 Scaling to .
- A1 The correct answer, .
(c)
- B1 The correct answer, .
Question 2
(a)
- M1 Establishing or an equivalent valid method.
- A1 Correct answer:
Question 3
(a) £247.60
- P1 Finding 8 panels ().
- P1 Using 9 posts (one more than the panels).
- P1 Working out the cost of the panels (£190) or the posts (£57.60).
- A1 The correct answer, £247.60.