Browse Integers, powers & roots

45 questions at your level

DifficultyAllLevel 1Level 2Level 3Level 4Level 5

Negatives and the order of operations

13 questions

LessonNot started
Work out −4×(−3)2+5×(−2)-4 \times (-3)^2 + 5 \times (-2) (2 marks)
●●●●●Level 12 marksStart
Use your calculator to work out 5.42−2.76.25\dfrac{5.4^2 - 2.7}{\sqrt{6.25}}

Write down all the figures on your calculator display. [2]
●●●●●Level 12 marksStart
Work out 3.6×0.243.6 \times 0.24 [2]
●●●●●Level 12 marksStart

Prime factorisation

17 questions

LessonNot started
Write down all the prime numbers between 1010 and 2020.
●●●●●Level 11 markStart
Write 2424 as a product of its prime factors.
●●●●●Level 12 marksStart
x=2×3×5x = 2 \times 3 \times 5. Write down the value of xx.
●●●●●Level 11 markStart
Write 9090 as a product of its prime factors. Give your answer in index form. [2]
●●●●●Level 12 marksStart

HCF and LCM

17 questions

LessonNot started
Write down all the factors of 1818.
●●●●●Level 11 markStart
Find the highest common factor (HCF) of 1212 and 1818.
●●●●●Level 12 marksStart
Find the lowest common multiple (LCM) of 66 and 88.
●●●●●Level 12 marksStart