Fractions, Decimals & Percentages (Cambridge International IGCSE Mathematics): Exam Questions

Write $\frac{2}{5}$ as a decimal.

i) Write 15% as a decimal.

ii) Shade 15% of this grid.

Complete the table.

Write $\frac{1}{4}$ as a decimal.

Write $\frac{36}{124}$ as a fraction in its lowest terms.

Work out $\frac{5}{8}$ of 128.

Write $\frac{3}{4}$ as a decimal.

i) Write 26% as a decimal.

ii) Write 0.48 as a fraction.

Write down

i) a fraction that is equivalent to $\frac{5}{9}$.

ii) the 7th odd positive number,

iii) a decimal number that is larger than $0.0467$ but smaller than $0.0468$.

Write 0.45 as a fraction in its simplest form.

Write $\frac{2}{5}$ as a percentage.

............................%

Write these numbers in order, starting with the smallest.

$\frac{3}{4}$ $72 \%$ $0.78$ $\frac{8}{10}$

Order the following numbers from smallest to largest.

$0.51 1 \frac{1}{2} 0.501 48 \% \frac{2}{5}$

...............<...............<...............<...............<...............

Write $\frac{3}{10}$ as a percentage.

Write these numbers in order, starting with the smallest.

$...............<..............<............<.............\,smallest$

Write these in order of size, starting with the smallest.

$................<................<................<................\,smallest$

Here is a list of numbers.

Put a ring around the number with the largest value.

Write these in order of size, starting with the smallest.

.

$...............<................<................<................\,smallest$

Write these in order of size, starting with the smallest.

$................<................<................<................\,smallest$

Write the following in order, starting with the smallest.

$....................<....................<....................<....................\,smallest$

Dev makes 600 cakes.

18% of the 600 cakes go to a hotel and $\frac{2}{3}$ of the 600 cakes go to a supermarket.

Calculate how many cakes he has left.

Write these numbers in order, starting with the smallest.

$\frac{18}{20}$ $91 \%$ $0.89$ $\frac{44}{50}$

Write $45 \%$ as a fraction in its simplest form.

Write these numbers in order, starting with the smallest.

$....................<....................<....................<....................\,smallest$

Gabriela designs the seating layout for a new theatre. There are three sections of seats, A, B and C.

Section A has 152 seats. Section B has 12.5% more seats than Section A. Section C has $\frac{3}{8}$ of the number of seats in Section A.

i) Show that the number of seats in Section B is 171.

ii) Show that the total number of seats is 380.

Write these numbers in order, smallest first.

$.....................<.....................<.....................<.....................\,smallest$

Write these in order of size, starting with the smallest.

$\frac{5}{27} 18.4 \% 1.83 \times 10^{- 1} 5^{- 1}$

*smallest *................. $<$ ................. $<$ ................. $<$ .................

Write these numbers in order, starting with the smallest.

$5.7 \times 10^{- 1} \frac{4}{7} \sqrt{0.33} 57.2 \%$

................... $<$ ................ $<$ ................ $<$ ................. * smallest *

Write these numbers in order, starting with the smallest.

$0.55 \frac{6}{11} 54 1 \frac{1}{2} \%$

........................ $<$ ................. $<$ ................. *smallest *

Write these numbers in order, starting with the smallest.

$\frac{7}{9}$ $\frac{4}{5}$ $\frac{17}{20}$ $78 \%$