1 Calculate 
. Give your answer as a
mixed number in its simplest form.
2 A coat originally
priced at 
is reduced by 
in a sale. A few weeks later, the sale price
is reduced by an additional 
. Find the final price of
the coat.
3 Express 
in standard form (scientific notation).
4 Share 
among Alice, Ben, and Chloe in the ratio 
. How much more money does
Chloe receive than Alice?
5 If 6 identical
machines can complete a printing job in 8 hours, calculate the time taken to
complete the same job using 4 machines working at the same rate.
6 Evaluate 
.
7 An investment of 
earns simple interest at an annual rate of 
for 3 years. Calculate the total value of the
investment at the end of the 3-year period.
8 Round 
to:
- (a)
2 decimal places
- (b)
2 significant figures
Number & Ratio (Practice Set)
- Calculate
. Give your answer as a
mixed number in its simplest form. - A
pair of running shoes originally priced at
is discounted by 
during a clearance sale. A loyalty member
gets an additional discount on the reduced price at
checkout. Find the final price of the shoes. - Express
in standard form (scientific notation). - Share
among Daniel, Emily, and Farhan in the
ratio 
. How much more money
does Farhan receive than Daniel? - If 8
identical pumps can empty a water reservoir in 6 hours, calculate the time
taken to empty the same reservoir using 12 pumps working at the same rate.
- Evaluate
. - An
investment of
earns simple interest at an annual rate
of 
for 4 years. Calculate the total value of
the investment at the end of the 4-year period. - Round
to: - (a)
2 decimal places
- (b)
2 significant figures
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