CIE IGCSE Maths: Extended

Topic Questions

IGCSEMaths: ExtendedCIETopic Questions1. Number1.14 Using a Calculator

Syllabus Edition

First teaching 2021

Last exams 2024

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1.14 Using a Calculator

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Easy
Medium
Hard
1
Sme Calculator1 mark

Calculate fraction numerator 4 over denominator square root of 0.0025 end root end fraction.

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2
Sme Calculator1 mark

Calculate.

5 over 8 plus cube root of 340

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3
Sme Calculator1 mark

Calculate.

fraction numerator 5.39 minus 0.98 over denominator 0.743 minus 0.0743 end fraction

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4
Sme Calculator1 mark

Calculate square root of 2.38 plus 6.4 squared end root, writing down your full calculator display.

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5a
Sme Calculator2 marks

Use your calculator to work out fraction numerator 38.5 space cross times space 14.2 over denominator 18.4 space minus space 5.9 end fraction

Write down all the figures on your calculator display.
You must give your answer as a decimal.

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5b
Sme Calculator1 mark

Write your answer to part (a) correct to 1 significant figure.

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1
Sme Calculator1 mark

Use your calculator to work out square root of 1 minus left parenthesis sin space 33 degree right parenthesis squared end root space.

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2
Sme Calculator2 marks

Work out                       square root of fraction numerator 2.5 space cross times space sin space 43 degree over denominator 8.2 squared space minus space 50.5 end fraction end root

Give your answer correct to 3 significant figures.

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3a
Sme Calculator1 mark

Use your calculator to work out 19.42 squared space – space cube root of 1006 space divided by space 4.95

Write down your full calculator display.

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3b
Sme Calculator2 marks

Use approximations to check that your answer to part (a) is sensible.

You must show your working.

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4a
Sme Calculator2 marks

Use your calculator to work out fraction numerator 29 squared minus 4.6 over denominator square root of 35 minus 1.9 cubed end root end fraction

Write down all the figures on your calculator display.

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4b
Sme Calculator1 mark

Write your answer to part (a) correct to 4 significant figures.

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5a
Sme Calculator2 marks

Use your calculator to work out square root of fraction numerator sin space 25 degree space plus space sin space 40 degree over denominator cos space 25 degree space minus space cos space 40 degree end fraction end root

Write down all the figures on your calculator display.

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5b
Sme Calculator1 mark

Write your answer to part (a) correct to 2 decimal places.

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1
Sme Calculator1 mark

Use a calculator to find the decimal value of  space fraction numerator square root of 29 space minus space 3 cross times 32 to the power of 0.4 end exponent space end root over denominator 3 end fraction.

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2
Sme Calculator2 marks

Calculate.

fraction numerator 16.379 minus 0.879 over denominator 4.2 end fraction cross times 1.241


Give your answer correct to 2 significant figures.

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3
Sme Calculator1 mark

Calculate square root of 256 to the power of 0.25 end exponent plus 4 cross times 8 end root.

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4
Sme Calculator1 mark

Calculate cube root of 8.1 squared minus 1.3 to the power of 0.8 end exponent end root.

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5
Sme Calculator1 mark

cube root of 2 cubed plus 2 end root

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6
Sme Calculator1 mark

Calculate square root of 17.8 end root minus 1.3 to the power of 2.5 end exponent.

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