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How to solve a 2-Step word problem using RUCSAC. By Kye and Nina. A car driver fills his car with 38 litres of petrol, which costs 98p per litre. He then uses 8 litres of petrol on his next journey. What is the total value of petrol left in his car after?. Step one: Read the problem.
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How to solve a 2-Step word problem using RUCSAC By Kye and Nina
A car driver fills his car with 38 litres of petrol, which costs 98p per litre. He then uses 8 litres of petrol on his next journey. What is the total value of petrol left in his car after? Step one: Read the problem
Step two: Understand the problem • A car driver fills his car with 38 litres of petrol, which costs 98p per litre. He then uses 8 litres of petrol on his next journey. What is the total value of petrol left in his car after?
Step three: Choose the number operation • He fills the car with 38 litres. He uses 8 litres from his last journey and it costs 98p per litre, so you need to work out… • 38 x £0.98
. 30 8 90 2700 720 2700 720 240 64 £37.24 8 240 64 The answer is £37.24 but we still have to take away the cost of 8 litres, so… £37.24 - £7.84 = £29.40 Step four: Solve the problem
Step five: Check your work The Answer is £29.40.