Standard Form worksheet
6 GCSE practice questions with answers, free to print. Every sheet is generated, so you can make a fresh one whenever you need it.
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3 marks
(a)
Write 490,000 in standard form.
(b)Write \(1.8 \times 10^{ -2 }\) as an ordinary number.
(c)Write \(0.0078\) in standard form.
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2 marks
Write these numbers in order of size. Start with the smallest.
\({d1m:dec} \times 10^{ {d1e} } \qquad {d2m:dec} \times 10^{ {d2e} } \qquad {d3m:dec} \times 10^{ {d3e} } \qquad {d4m:dec} \times 10^{ {d4e} }\)
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4 marks
(a)
Find the value of \(8 \times 10^{ 5 } + 1.4 \times 10^{ 4 }\)
Give your answer in standard form.
(b)Find the value of \(4 \times 10^{ 6 } - 9 \times 10^{ 4 }\)
Give your answer in standard form.
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3 marks
(a)
Write 93,000 in standard form.
(b)Write \(4.8 \times 10^{ -2 }\) as an ordinary number.
(c)Write \(0.087\) in standard form.
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2 marks
Write these numbers in order of size. Start with the smallest.
\({d1m:dec} \times 10^{ {d1e} } \qquad {d2m:dec} \times 10^{ {d2e} } \qquad {d3m:dec} \times 10^{ {d3e} } \qquad {d4m:dec} \times 10^{ {d4e} }\)
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4 marks
(a)
Work out \(2.5 \times 10^{ 5 } + 6 \times 10^{ 4 }\)
Give your answer in standard form.
(b)Work out \(9 \times 10^{ 4 } - 8 \times 10^{ 2 }\)
Give your answer in standard form.
Answers
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(a) \(4.9 \times 10^{ 5 }\)
(b) \(0.018\)
(c) \(7.8 \times 10^{ -3 }\) - \({ma:dec} \times 10^{ {e0} }, \; {mb:dec} \times 10^{ {e0} }, \; {mc:dec} \times 10^{ {e3} }, \; {md:dec} \times 10^{ {e4} }\)
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(a) \(8.14 \times 10^{ 5 }\)
(b) \(3.91 \times 10^{ 6 }\) -
(a) \(9.3 \times 10^{ 4 }\)
(b) \(0.048\)
(c) \(8.7 \times 10^{ -2 }\) - \({ma:dec} \times 10^{ {e0} }, \; {mb:dec} \times 10^{ {e0} }, \; {mc:dec} \times 10^{ {e3} }, \; {md:dec} \times 10^{ {e4} }\)
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(a) \(3.1 \times 10^{ 5 }\)
(b) \(8.92 \times 10^{ 4 }\)