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Upper Secondary: IGCSE

IMPORTANT

Earn 100

Calculate upper and lower bounds for $x$ .The angles in a triangle are $x °, 38.4 °$ (to $1 d . p .$ ) and $78.1 °$ (to $1 d . p .$ ).

Important Questions on Understanding Measurement

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Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 13 - Understanding Measurement>Exercise 13.5>Q 10

Calculate upper and lower bounds for $x$ as a percentage of $y$ to $1$ decimal place.Quantity $x$ is $45$ to the nearest integer. Quantity $y$ is $98$ to the nearest integer.

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Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 13 - Understanding Measurement>Exercise 13.5>Q 11

The following five masses are given to $3$ significant figures. Calculate upper and lower bounds for the mean of these masses.

$138$ kg, $94.5$ kg, $1090$ kg , $345$ kg, $0.354$ kg

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Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 13 - Understanding Measurement>Exercise 13.5>Q 12

Gemma is throwing a biased die. The probability that she throws a five is

0.245

3

decimal places. Calculate upper and lower bounds for the number of fives Gemma expects to throw, if Gemma throws the die exactly

480

times. Give your answer to

2

decimal places.

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Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 13 - Understanding Measurement>Exercise 13.5>Q 13

A cuboid of height

h

has a square base of side length

a

. In an experiment

a

and

h

are measured as

4 c m

and

11 c m

respectively, each measured to the nearest

c m

. What are the minimum and maximum possible values of the volume in

c m^{3}

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Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 13 - Understanding Measurement>Exercise 13.5>Q 13

A cuboid of height

h

has a square base of side length

a

. In an experiment, the volume of the block is found to be

350 c m^{3}

, measured to the nearest

50 c m^{3}

, and its height is measured as

13.5 c m

, to the nearest

0.5 c m

. What is the maximum and minimum possible values of the length

a

, in centimetres?

MEDIUM

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 13 - Understanding Measurement>Exercise 13.5>Q 13

A cuboid of height

h

has a square base of side length

a

. In an experiment, the volume of the block is found to be

350 c m^{3}

, measured to the nearest

50 c m^{3}

, and its height is measured as

13.5 c m

, to the nearest

0.5 c m

. How many significant figures should be used to give a reliable answer for the value of

a

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Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 13 - Understanding Measurement>Exercise 13.6>Q 1

The graph shows the relationship between temperature in degrees Celsius $(° C)$ and degree Fahrenheit $(° F)$ . Use the graph to convert $60 ° C$ to $° F$

Question Image

MEDIUM

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 13 - Understanding Measurement>Exercise 13.6>Q 1

The graph shows the relationship between temperature in degrees Celsius $(° C)$ and degree Fahrenheit $(° F)$ . Use the graph to convert $16 ° C$ to $° F$

Question Image

Calculate upper and lower bounds for x.The angles in a triangle are x°, 38.4° (to 1 d.p.) and 78.1° (to 1 d.p.).

Important Questions on Understanding Measurement

Learn and Prepare for any exam you want !

Calculate upper and lower bounds for $x$ .The angles in a triangle are $x °, 38.4 °$ (to $1 d . p .$ ) and $78.1 °$ (to $1 d . p .$ ).