CAMBRIDGE LOWER SECONDARY MATHEMATICS 8: END OF UNIT 1 TEST
Name ___________________________________ Date _____________
Stage 8 End of Unit 1 Test
1 Work out
a −3 × −5
____________________________________________________________________________ [1]
b −32 ÷ 4
____________________________________________________________________________ [1]
c −2 × (1 + −8)
____________________________________________________________________________ [1]
2 a Find the highest common factor of 24 and 32. __________________________________ [1]
b Find the lowest common multiple of 6 and 9. __________________________________ [1]
3 Find the prime factors of 44. ___________________________________________________ [1]
4 a Using a tree diagram, or otherwise, write 200 as a product of prime factors.
____________________________________________________________________________ [2]
Cambridge Lower Secondary Mathematics 8 – Byrd, Byrd & Pearce © Cambridge University Press 2021 1
CAMBRIDGE LOWER SECONDARY MATHEMATICS 8: END OF UNIT 1 TEST
5 a 280 = 23 × 5 × 7
Use this fact to find the highest common factor of 200 and 280.
____________________________________________________________________________ [2]
b Find the lowest common multiple of 200 and 280.
____________________________________________________________________________ [2]
6 35 = 243
Use this fact to find 36. Show your method.
____________________________________________________________________________
____________________________________________________________________________ [1]
7 Circle the square numbers in this list.
1 121 −64 49 160 −81 [1]
8 125 = 53 and 15625 = 56 in index form.
Write the answers to these calculations in index form.
a 125 × 15625 ______________________________________________________________ [1]
b 15625 ÷ 125 ______________________________________________________________ [1]
9 a Show that 64 is a cube number. ______________________________________________ [1]
b Show that 100 is not a cube number. __________________________________________ [1]
10 Find the possible values of n when
a n 2 = 36 __________________________________________________________________ [1]
b n 3 = −27 _________________________________________________________________ [1]
[TOTAL: 20 Marks]
END OF TEST
Cambridge Lower Secondary Mathematics 8 – Byrd, Byrd & Pearce © Cambridge University Press 2021 2
