Here is the list of mathematical exercises on integers and rational numbers online. Each corrected exercise is accompanied by indications, reminders of the course, methodological advice which allows you to practice independently.

6 exercisesExercise example N°1427 :

Calculate the gcd of 225 and 84.

integers and rational numbers Numbers 9th Grade gcd

The objective of this corrected arithmetic exercise is to calculate the gcd of two integers.

Exercise example N°1428 :

Are the following numbers 205 and 318 prime to each other ?

integers and rational numbers Numbers 9th Grade gcd

The objective of this exercise is to use the GCD to check if two integers are prime to each other.

Exercise example N°1429 :

Put the following fraction in its irreducible form: `144/210`.

fractions Numbers integers and rational numbers 9th Grade fraction

The purpose of this exercise is to put a fraction into its irreducible form.

Exercise example N°1435 :

Let f be the application of R in R defined by f(x)=`2*(3*x+1)^2-6*(2*x+3)^2` :

Compute f(2).

integers and rational numbers Numbers functions 9th Grade array_values

The purpose of this corrected math exercise is to calculate the value of a function for a given number.

Exercise example N°1437 :

- Compute the GCD of the numbers 5104 and 968.
- Write the fraction `5104/968` in irreducible form.

mathematics exams and competitions fractions Numbers integers and rational numbers 9th Grade fraction

The objective of this exercise is to calculate the gcd of two numbers and simplify a fraction.

Exercise example N°1520 :

Write in the form of an irreducible fraction the following fraction `(40*28)/(35*24)` using the decomposition into prime factors.

fractions Numbers integers and rational numbers 10th Grade fraction

The purpose of this exercise is to simplify a fraction using the decomposition of a number into a product of prime factors.

The **integers and rational numbers** topic is available for : 9th Grade