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Numeracy · Guided Practice

Rounding

8 questions with answers and video solutions. Try each one before revealing the answer.

1
Round 3.7482\displaystyle 3.7482 to:
(a) 2 decimal places
(b) 1 decimal place
Video solution coming soon
2
Round 0.004879\displaystyle 0.004879 to 2 significant figures.
Video solution coming soon
3
Round 47328\displaystyle 47328 to 2 significant figures.
Video solution coming soon
4
Convert 712\displaystyle \frac{7}{12} to a decimal.
Give your answer to 3 decimal places.
Video solution coming soon
5
260\displaystyle 260 pupils are going on a trip.
Each minibus carries 17\displaystyle 17 passengers.
Calculate the number of minibuses needed.
Video solution coming soon
6
£100\displaystyle \pounds 100 is shared equally between 7\displaystyle 7 people.
Calculate how much each person receives.
Give your answer to the nearest penny.
Video solution coming soon
7
2024 P2 Q2
(2, 1)3 Marks

(a) A snooker ball is a sphere with a diameter of 5.2 cm.

Sphere with a diameter of 5.2 cm

Calculate the volume of the snooker ball.

(b) The density of an object can be calculated using the formula below.

Density=massvolume\displaystyle Density = \frac{mass}{volume}

The mass of the snooker ball is 142 grams.
Calculate the density of the snooker ball.
Give your answer in grams per cubic centimetre.

8
2025 P2 Q1
2 Marks

A Body Mass Index (BMI) is calculated using mass in kilograms and height in metres.
It is calculated using the formula:

BMI=massheight2\displaystyle \text{BMI} = \frac{\text{mass}}{\text{height}^2}

A patient's mass is 93.5 kilograms and their height is 182 centimetres.
Calculate the BMI of the patient.

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