Exercise on percentages

Here is the list of mathematics exercises on proportionality available online for free. Each corrected exercise is accompanied by indications, reminders of course, methodological advice which allows you to practice independently.

7 exercises

N°1113 (proportionality) : The purpose of this math activity is to calculate the percentage of an integer.

Exercise example :

What is the result of 10% of 80.
1113 proportionality | Numbers 6th Grade | 7th Grade
N°1124 (proportionality) : This exercise corrected of calculation makes it possible to practise on line to transform a decimal number into percentage.

Exercise example :

Express 0.97 as a percentage.
1124 proportionality | Numbers 6th Grade | 7th Grade percentage
N°1125 (proportionality) : This corrected math exercise allows you to practice transforming a fraction into a percentage online.

Exercise example :

Express 24/25 as a percentage.
1125 proportionality | Numbers 6th Grade | 7th Grade percentage
N°1331 (proportionality) : The purpose of this exercise on proportionality is to check that a table is indeed a proportionality table.

Exercise example :

Does the following table correspond to a proportionality table?
6 4 3
60 41 32

1331 proportionality | Numbers 6th Grade | 7th Grade | 8th Grade
N°1332 (proportionality) : The purpose of this corrected calculus exercise is to find the coefficient of a proportionality table.

Exercise example :

What is the coefficient of proportionality that allows us to go from the first to the second line of the following table?
9 7 1
54 42 6

1332 proportionality | Numbers 6th Grade | 7th Grade | 8th Grade
N°1333 (proportionality) : The purpose of this exercise is to find the missing value of a proportionality table.

Exercise example :

By what value must we replace the ? so that the following table is a proportionality table?
7 3 4 8
28 ? 16 32

1333 proportionality | Numbers 6th Grade | 7th Grade | 8th Grade
N°1334 (proportionality) : The purpose of this exercise is to complete using the cross product, a simple table so that it is a proportionality table.

Exercise example :

What is the missing value in the following proportionality table?
x 80
294 560
1334 proportionality | Numbers 6th Grade | 7th Grade | 8th Grade

6	4	3
60	41	32

9	7	1
54	42	6

7	3	4	8
28	?	16	32

x	80
294	560

The proportionality topic is available for : 6th Grade, 7th Grade

List of exercises by class : middle and high schools, 6th Grade, 7th Grade, 8th Grade, 9th Grade, 10th Grade, 11th Grade, 12th Grade.

Corrected online exercises on proportionality