Simple Interest – Calculator – Shootout! Students compete (1v1 in pairs or in teams, at their tables or at the front) to answer questions the quickest. Students could write on your whiteboard or their own. Delete too difficult/easy question slides beforehand (and its individual intro slide). Click anywhere to start the music, then click ‘Go’ to show the question, then click again to show the answer. This game has sound!

Shootout! Simple Interest

Correct Answer = 1pt Fastest! = 1pt

Ready? Go!

£650 Jack invests £500. He gets 10% simple interest per year. How much is the investment worth after 3 years? £650

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£105.60 Josh invests £440. He gets 3% simple interest per year. How much interest does he earn after 8 years? £105.60

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£1000 Helen invests £800. She gets 5% simple interest per year. How much is the investment worth after 5 years? £1000

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Which bank gives a better return Max wants to invest £480 Which bank gives a better return over 2 years? Ethical Investments 6% simple interest Boring Bank £20 free! 3% simple interest £57.60 vs £48.80

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£210 Tim invests £150. He gets 4% simple interest per year. How much is the investment worth after 10 years? £210

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£89.60 May invests £320. She gets 7% simple interest per year. How much interest does she earn after 4 years? £89.60

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£428.40 Julie invests £420 for 4 years. She gets 0.5% simple interest per year. How much is the investment worth when Julie withdraws the money? £428.40

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Which bank gives a better return Pete wants to invest £820 Which bank gives a better return over 6 years? Ethical Investments 12% simple interest Boring Bank £100 final fee. 14% simple interest £590.40 vs £588.80

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£145.20 Anna invests £120 for 6 years. She gets 3.5% simple interest per year. How much is the investment worth when Anna withdraws the money? £145.20

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£937.50 Sophie invests £2500. She gets 7.5% simple interest per year. How much interest does she earn after 5 years? £937.50

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£16 £80 vs £64 Ash wants to invest £400 How much more money would Ash get from the better bank after 4 years? Ethical Investments 5% simple interest Boring Bank 4% simple interest £16 £80 vs £64

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1.09 vs 1.12 Which bank gives a better return over 3 years? Ethical Investments 3% simple interest Boring Bank 12% interest at the end of the term 1.09 vs 1.12

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8% Polly invests £300. Over 2 years she earns £48 in simple interest. What interest rate does the investment have? 8%

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12% Fred invests £240. Over 5 years he earns £144 in simple interest. What interest rate does the investment have? 12%

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0.5% Zoe invests £800. Over 8 years she earns £32 in simple interest. What interest rate does the investment have? 0.5%

tom@goteachmaths.co.uk Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths.co.uk