$Logo$

Numbers
Measurement
Data Analysis
Geometry
Speed
- Simple Speed Question: Determine the speed distance and time
Others
P5 Maths
P4 Maths

Home
Others
Mental Sum Practice 3

Tap to switch levels

Tap to switch levels

Numbers

What does the number stand for?

Nearest number

Which digit is in the place?

Round off to the nearest number

Number divide

Find the fraction nearest to 1

Sort fraction numbers

Find the largest or smallest fraction

Fraction to decimal

Convert decimal to a mixed fraction.

Fraction - Addition

Fraction - Substraction

Fraction - Multiply

Fraction - Divide

List all the common factors of two integers

Chicken and Rabbit problem

Assumption Method

Measurement

Measurement Questions Length

Measurement Questions Mass or Weight

Measurement Questions Time

Measurement Questions Volume

Data Analysis

Bar Chart

Pie Chart

Line Graph

Geometry

Angles

Triangles

Squares and Rectangles

Circles

Nets

Area of Composites

Rhombus

Trapezoid

Speed

Simple Speed Question: Determine the speed distance and time

Others

Patterns

Mental Sum Practice 1

Mental Sum Practice 2

Mental Sum Practice 3

P5 Maths

P5 Fractions I

Whole Numbers

Nets and Patterns

Method of Assumption

Excess and Shortage

Revision I

Fractions II

Working Backward

P4 Maths

Factors and Multiples I

Whole Numbers

Fractions I

Method of Assumption

Term Revision I

Patterns P4

Interval Problems

Question 1 of 50

$\frac{11}{13} - \frac{11}{13} \times \frac{13}{33}$ = ?

$\frac{18}{37}$

$\frac{19}{38}$

$\frac{20}{39}$

$\frac{21}{40}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{20}{39}$

You are Right

$\frac{4}{7} \times \frac{5}{8} + \frac{3}{7} \div \frac{8}{5}$ = ?

$\frac{5}{8}$

$\frac{6}{9}$

$\frac{7}{10}$

$\frac{8}{11}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{5}{8}$

You are Right

$42 \times \frac{5}{36}$ = ?

$\frac{31}{2}$

$\frac{33}{4}$

$\frac{35}{6}$

$\frac{37}{8}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{35}{6}$

You are Right

$(\frac{2}{3} + \frac{1}{2} ) \times \frac{6}{7}$ = ?

0.5

1.5

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$44 – 72 \times \frac{5}{12}$ = ?

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$(1 - \frac{1}{2} - \frac{1}{9}) \div \frac{1}{5}$ = ?

$\frac{31}{15}$

$\frac{33}{17}$

$\frac{35}{18}$

$\frac{37}{19}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{35}{18}$

You are Right

$\frac{2}{3} \div (\frac{3}{4} - \frac{1}{2}) \times \frac{4}{5}$ = ?

$\frac{26}{9}$

$\frac{28}{11}$

$\frac{30}{13}$

$\frac{32}{15}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{32}{15}$

You are Right

$\frac{8}{13} \div 9 + \frac{1}{9} \times \frac{5}{13}$ = ?

$\frac{1}{3}$

$\frac{1}{6}$

$\frac{1}{9}$

$\frac{1}{12}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{1}{9}$

You are Right

$42 \times \frac{5}{36}$ = ?

$\frac{32}{5}$

$\frac{35}{6}$

$\frac{39}{7}$

$\frac{43}{9}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{35}{6}$

You are Right

$\frac{8}{13} \div 9 + \frac{1}{9} \times \frac{5}{13}$ = ?

$\frac{1}{3}$

$\frac{1}{5}$

$\frac{1}{7}$

$\frac{1}{9}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{1}{9}$

You are Right

$\frac{12}{13} \times \frac{5}{9} + \frac{4}{9} \times \frac{12}{13}$ = ?

$\frac{10}{11}$

$\frac{11}{12}$

$\frac{12}{13}$

$\frac{14}{15}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{12}{13}$

You are Right

$\frac{9}{33} \div \frac{9}{14} + \frac{9}{33} \times \frac{4}{9}$ = ?

$\frac{8}{9}$

$\frac{6}{11}$

$\frac{8}{13}$

$\frac{10}{15}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{6}{11}$

You are Right

$ \frac{1}{4} \div ( 3 - \frac{5}{13} - \frac{8}{13} )$ = ?

$\frac{1}{4}$

$\frac{1}{8}$

$\frac{2}{4}$

$\frac{2}{8}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{1}{8}$

You are Right

$(\frac{2}{3} + \frac{3}{4} - \frac{1}{2}) \times 12$ = ?

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$21 \div \frac{3}{5} - \frac{2}{5} \times 25$ = ?

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$\frac{2}{11} + \frac{9}{8} \times \frac{7}{9} + \frac{1}{8}$ = ?

1$\frac{1}{10}$

1$\frac{2}{11}$

1$\frac{3}{12}$

1$\frac{4}{13}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

1$\frac{2}{11}$

You are Right

$\frac{3}{4} + \frac{3}{4} \times \frac{1}{3}$ = ?

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$( 20 + \frac{5}{7} ) \times \frac{9}{10}$ = ?

17$\frac{6}{14}$

17$\frac{9}{14}$

18$\frac{6}{12}$

18$\frac{9}{14}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

18$\frac{9}{14}$

You are Right

$\frac{3}{4} + \frac{3}{4} \times \frac{1}{3}$ = ?

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$\frac{3}{5} \times \frac{14}{9} - \frac{4}{9} \times \frac{3}{5}$ = ?

$\frac{1}{2}$

$\frac{2}{3}$

$\frac{3}{4}$

$\frac{4}{5}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{2}{3}$

You are Right

$\frac{1}{5} + \frac{2}{9} \times \frac{3}{10}$ = ?

$\frac{1}{11}$

$\frac{3}{13}$

$\frac{4}{15}$

$\frac{5}{17}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{4}{15}$

You are Right

$\frac{4}{5} \div 3 + \frac{2}{3} \times \frac{4}{5}$ = ?

$\frac{2}{3}$

$\frac{4}{5}$

$\frac{6}{7}$

$\frac{8}{9}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{4}{5}$

You are Right

$\frac{8}{13} \div 7 + \frac{1}{7} \times \frac{6}{13}$ = ?

$\frac{2}{13}$

$\frac{4}{15}$

$\frac{6}{17}$

$\frac{8}{19}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{2}{13}$

You are Right

$\frac{1}{3} \times 9 \div \frac{1}{9} \div 9$ = ?

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$42 \times ( \frac{5}{7} - \frac{4}{7} )$ = ?

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$\frac{11}{13} - \frac{11}{13} \times \frac{13}{33}$ = ?

$\frac{16}{35}$

$\frac{18}{37}$

$\frac{20}{39}$

$\frac{22}{41}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{20}{39}$

You are Right

$\frac{1}{5} + \frac{2}{9} \times \frac{3}{10}$ = ?

$\frac{2}{10}$

$\frac{4}{15}$

$\frac{6}{20}$

$\frac{8}{25}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{4}{15}$

You are Right

$(20 + \frac{5}{7}) \times \frac{9}{10}$ = ?

$\frac{156}{8}$

$\frac{158}{10}$

$\frac{260}{12}$

$\frac{261}{14}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{261}{14}$

You are Right

$\frac{3}{5} \times \frac{14}{9} - \frac{4}{9} \times \frac{3}{5}$ = ?

$\frac{1}{2}$

$\frac{2}{3}$

$\frac{3}{4}$

$\frac{4}{5}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{2}{3}$

You are Right

$44 – 72 \times \frac{5}{12}$ = ?

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$(\frac{2}{3} + \frac{1}{2}) \times \frac{6}{7}$ = ?

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$\frac{2}{11} + \frac{9}{8} \times \frac{7}{9} + \frac{1}{8}$ = ?

$\frac{11}{9}$

$\frac{13}{11}$

$\frac{15}{13}$

$\frac{17}{15}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{13}{11}$

You are Right

$\frac{2}{3} \div (\frac{3}{4} - \frac{1}{2}) \times \frac{4}{5}$ = ?

$\frac{32}{15}$

$\frac{33}{16}$

$\frac{34}{17}$

$\frac{38}18{}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{32}{15}$

You are Right

$\frac{3}{5} + \frac{4}{7} + \frac{2}{5} + \frac{1}{7}$ = ?

1$\frac{3}{5}$

1$\frac{5}{7}$

2$\frac{3}{5}$

2$\frac{5}{7}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

1$\frac{5}{7}$

You are Right

$\frac{1}{3} \times 9 \div \frac{1}{9} \div 9$ = ?

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$\frac{6}{19} \times \frac{1}{7} + \frac{8}{19} \div 7$ = ?

$\frac{1}{17}$

$\frac{2}{17}$

$\frac{1}{19}$

$\frac{2}{19}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{2}{19}$

You are Right

$(\frac{4}{5} + \frac{3}{10}) \div \frac{11}{15}$ = ?

$\frac{3}{2}$

$\frac{4}{3}$

$\frac{5}{4}$

$\frac{6}{5}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{3}{2}$

You are Right

$\frac{5}{8} \times \frac{4}{3} + \frac{5}{8} \div \frac{3}{4}$ = ?

$\frac{5}{3}$

$\frac{7}{5}$

$\frac{9}{7}$

$\frac{11}{9}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{5}{3}$

You are Right

$7.8 \times \frac{1}{10} + \frac{1}{10} \times 2.2$ = ?

0.5

1.5

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$\frac{4}{7} \div \frac{3}{2} + \frac{4}{7} \div 3$ = ?

$\frac{2}{3}$

$\frac{3}{5}$

$\frac{4}{7}$

$\frac{5}{9}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{4}{7}$

You are Right

$\frac{1}{2} - \frac{1}{2} \div 2$ = ?

$\frac{1}{2}$

$\frac{1}{4}$

$\frac{1}{6}$

$\frac{1}{8}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{1}{4}$

You are Right

$\frac{3}{5} + \frac{4}{7} + \frac{2}{5} + \frac{1}{7}$ = ?

$\frac{8}{3}$

$\frac{10}{5}$

$\frac{12}{7}$

$\frac{14}{9}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{12}{7}$

You are Right

$\frac{1}{4} \div ( 3 - \frac{5}{13} - \frac{8}{13} )$ = ?

$\frac{1}{2}$

$\frac{1}{4}$

$\frac{1}{6}$

$\frac{1}{8}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{1}{8}$

You are Right

$(\frac{2}{3} + \frac{3}{4} - \frac{1}{2}) \times 12$ = ?

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$\frac{2}{5} + \frac{1}{2} \times \frac{3}{5} + \frac{7}{10}$ = ?

1$\frac{2}{5}$

1$\frac{4}{7}$

2$\frac{2}{5}$

2$\frac{4}{7}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

1$\frac{2}{5}$

You are Right

$\frac{9}{33} \div \frac{9}{14} + \frac{9}{33} \times \frac{4}{9}$ = ?

$\frac{6}{11}$

$\frac{7}{12}$

$\frac{8}{13}$

$\frac{9}{14}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{6}{11}$

You are Right

$42 \times (\frac{5}{7} - \frac{4}{7})$ = ?

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$\frac{8}{13} \div 7 + \frac{1}{7} \times \frac{6}{13}$ = ?

$\frac{1}{11}$

$\frac{2}{13}$

$\frac{3}{15}$

$\frac{4}{17}$

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

$\frac{2}{13}$

You are Right

$21 \div \frac{3}{5} - \frac{2}{5} \times 25$ = ?

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

$7.8 \times \frac{1}{10} + \frac{1}{10} \times 2.2$ = ?

0.5

1.5

None of the above

Sorry. Please check the correct answer below.

View Correct Answer

You are Right

Sign in to your account

Your student account is your portal to all things Udacity: your classroom, projects, forums, career resources, and more!

or sign in with one of these services

Create your student account

Your student account is your portal to all things Udacity: your classroom, projects, forums, career resources, and more!

or sign up with one of these services

PSLE-Math.com

Start winning at math! Be part of Singapore PSLE Math community and Unleash the Your Maths Potential!

General

About us
Contact us

Contact Us

6631-9759
[email protected]
https://psle-math.com

What subject area do you need help in?

Select level

Primary Secondary Junior College

Select subject

Maths Science Chinese English

Back

Ok, Let's confirm where you'll need help.

Enter your postal code.

Singapore

Back

Nice! 20 tutors are near you.

By clicking "Join now". you agree to our Terms of Use and Privacy Policy

Join now

Are you a Tutor or Tuition Center?

Tutor

Tuition Center

Back

Tell us about yourself

By clicking "Join now". you agree to our Terms of Use and Privacy Policy

Join now

Back

Your company's contact information

By clicking "Join now". you agree to our Terms of Use and Privacy Policy

Join now