Maths Quiz - Measures 3 (Difficult) (Answers)
Welcome to the third in our difficult series of Eleven Plus maths quizzes on Measures. By now you will be very confident when it comes to converting metric units to Imperial ones, and vice versa. But how good are you at solving problems with different units of measurement? We’re about to find out!
Some of these questions may seem very hard at first glance but, if you break them down (and if you remember what you learned in the previous quizzes!), they aren’t that difficult really. Just use your common sense and you should be okay.
As always, take your time and read each question thoroughly before you choose your answers. And don’t forget to read the helpful comments after the questions. They explain how the problem was solved and give you tips and advice which you mighty later rely on in your exams. Good luck!
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12 million millilitres = 12,000 litres: just divide by 1,000. Now, add the volumes together, then subtract from 40,000: 15,000 + 12,000 = 27,000. 40,000 - 27,000 = 13,000 litres
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To convert km to miles just divide by 1.61: 783 ÷ 1.61 = 486.335 which we round down to 486 miles
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First convert 80 litres into ml: 80 x 1,000 = 80,000
Next, divide 80,000 by 250: 80,000 ÷ 250 = 320 seconds. Finally, convert 320 seconds into minutes: 320 ÷ 60 = 5 remainder 20. It will take 5 minutes and 20 seconds for the bath to empty |
To work this one out you need to know that there are 12 inches in a foot. So, 6 feet = 12 x 6 = 72 inches.
Now we just convert 72 inches to cm by multiplying by 2.54: 72 x 2.54 = 182.88 which we round up to 183 cm |
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First we convert 45 kg into pounds by multiplying by 2.2: 45 x 2.2 = 99 pounds.
Next we convert 99 pounds into stones by dividing by 14: 99 ÷ 14 = 7 remainder 1. Marc weighs 7 stones and 1 pound |
An acre is 1?640 of a square mile and equal to 0.405 hectares
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There are 16 oz (ounces) in 1 lb (pound)
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There are 12 inches in a foot, so there are 12 x 12 x 12 cubic inches in a cubic foot: 12 x 12 x 12 = 1,728
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First we must work out the volume of Stephen’s pond in cubic feet: 4 x 6 x 5 = 120 feet3
Next we convert 120 feet3 into litres by dividing by 0.0353: 120 ÷ 0.0353 = 3,399 litres |
To convert kg into lbs we must divide by 0.454: 900 ÷ 0.454 = 1,982 lbs
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