Place value, ordering and decimal operations: practice

4 marksFoundationGrade 2Non-calculator

Answer each part without a calculator.

(a)

Work out

0.3 \times 0.4

(1 mark)

(b)

Work out

4.8 \div 0.6

(2 marks)

(c)

Which of these numbers is the largest:

0.407

,

0.47

or

0.4

?

(1 mark)

2 marksFoundationGrade 2CalculatorProblem solving

A customer pays with a £20 note for three notebooks costing £2.65 each. Work out the change.

(2 marks)

3 marksFoundationGrade 3Non-calculator

Answer each part without a calculator.

(a)

Work out

0.6 \times 0.07

(1 mark)

(b)

Work out

3.6 \div 0.04

(2 marks)

4 marksFoundation and HigherGrade 4Non-calculator

You are given that

135 \times 24 = 3240

.

(a)

Write down the value of

1.35 \times 24

.

(1 mark)

(b)

Write down the value of

13.5 \times 0.24

.

(1 mark)

(c)

Work out

3240 \div 2.4

(2 marks)

2 marksFoundationGrade 4Calculator

Work out 0.000072

\times

500000.

(2 marks)

2 marksFoundationGrade 4Non-calculator

Work out 3.6

\div

0.24.

(2 marks)

4 marksFoundation and HigherGrade 4Non-calculatorProblem solving

A stall sells notebooks at £2.45 each. Erin buys 7 notebooks and pays £30.

(a)

Work out the change.

(3 marks)

(b)

Explain how an estimate can check the size of your answer.

(1 mark)

4 marksFoundation and HigherGrade 4Non-calculatorProblem solving

A baker uses 0.35 kg of flour for each loaf. Flour is sold in 1.5 kg bags.

(a)

Work out the mass of flour needed for 24 loaves.

(2 marks)

(b)

Work out the number of bags the baker must buy.

(2 marks)

3 marksFoundationGrade 5CalculatorProblem solving

A roll contains 12.6 m of ribbon. First, 18 pieces of length 0.45 m are cut from it. More pieces, each 0.28 m long, are then cut. At least 0.30 m must be left on the roll. What is the greatest number of 0.28 m pieces that can be cut? Assume cutting uses no extra ribbon.

(3 marks)

4 marksHigherGrade 6Non-calculatorProblem solving

A straight fence is

14.4

m long. It is made from panels that are each

1.8

m wide, with a post at each end of every panel. Each panel costs £23.75 and each post costs £6.40.

Work out the total cost of the panels and posts for the fence.

(4 marks)