CAMBRIDGE LOWER SECONDARY MATHEMATICS 9: END OF UNIT 1 TEST
Name
Date
Stage 9 End of unit 1 test
1 Write down the numbers in this list that are irrational.
−2.7
2
7
27
3
27
2 ×7
[2]
2 a Show that 5 × 20 is an integer.
[1]
b Write down two irrational numbers with a sum of 4.
[1]
3 Write each of these numbers without using indices.
a
40
b
44
c
4 −2
[3]
4 Find an irrational number that is between
a 1 and 2
b 9 and 10.
[2]
5 Write these numbers in standard form.
a 6 320 000
b 0.000 012 9
[2]
6 Here are three numbers:
x = 3.5 × 105
y = 8.4 ×104
z = 2.989 × 105
Cambridge Lower Secondary Mathematics 9 – Byrd, Byrd & Pearce © Cambridge University Press 2021
1
CAMBRIDGE LOWER SECONDARY MATHEMATICS 9: END OF UNIT 1 TEST
a Write down number x in full.
[1]
b List the three numbers in order of size, smallest first.
[1]
7 a Here is a statement: 17 < 300 < 18
Is the statement true or false? Give a reason for your answer.
[1]
b Here is a statement: 7 < 3 300 < 8
Is the statement true or false? Give a reason for your answer.
[1]
8 Write each number as a power of 2.
a 32
b 1
c
1
8
[3]
9 a Write 53 × 54 as a power of 5.
[1]
b Write 63 ÷ 65 as a power of 6.
[1]
[Total: 20 marks]
END OF TEST
Cambridge Lower Secondary Mathematics 9 – Byrd, Byrd & Pearce © Cambridge University Press 2021
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