Chapter 9 test. calc
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1   Look at the rectangle. What fraction is coloured green?
5over6
numerator  check  
denominator  check  
 
 
1   Look at the rectangle. What fraction is shaded blue?
6over8
numerator  check  
denominator  check  
 
 
3   Find one tenth of one hour.
        Answer: min check  
         Hint: To find one tenth, divide by 10.
 
4   Find three quarters of sixteen.
        Answer: check  
         Hint: Find one quarter and multiply the answer by 3.
 
4   Work out five nineths of 360.
  check  
         Hint: Work out one nineth. Multiply the answer by 5.
 
1   Work out one quarter multiplied by one third.
  check  
    check  
         Hint: Multiply the numerators. Multiply the denominators.
 
1   Work out two thirds multiplied by three sevenths.
  check  
    check  
 
 
8   Find 10% of 40.
        Answer: check  
         Hint: 10% is the same as one tenth. To find one tenth, divide by 10.
 
9   A computer game is priced at £30.
         There is 20% off in a sale.
         Find the reduction in price.
        Answer: £ check  
         Hint: Find 10% of £30. Multiply the answer by 2.
 
 
10   'Fractions Fizz' is made by mixing
         sparkling orange with lime in the ratio 3:2.
         Alice wants to make 800 ml of fractions fizz.
         Work out how much of each ingredient she needs.
Orange: ml check  
Lime: ml check  
         Hint: Start by sharing 800 into 5 equal parts.
 
Correct answers: CHECK