Here is the list of mathematics exercises on equations available online for free. Each corrected exercise is accompanied by indications, reminders of the course, methodological advice which allows you to practise independently.
Exercise example :
What is the missing number in the following expression : ...-5 = 4?
1119 introduction to equation solving | equations 6th Grade | 7th GradeExercise example :
What is the missing number in the following expression: `2+...=-4`.
1237 operations on integers and decimals | introduction to equation solving | equations 7th GradeExercise example :
Solve the following equation: 4*y-4=6.
1336 solving equations | algebraic calculus | equations 8th Grade equation_solverExercise example :
Solve the following equation: 2*x+3=5.
1337 solving equations | algebraic calculus | equations 8th Grade equation_solverExercise example :
Solve the following equation: 4*z+3=6*z+8.
1338 solving equations | algebraic calculus | equations 8th Grade equation_solverExercise example :
My quadruple is equal to 32. Who am I?
1339 solving equations | algebraic calculus | equations 8th Grade equation_solverExercise example :
In a class of 10 students 70 % got the average on the last test. What is the number of students who did not get the average?
1340 solving equations | algebraic calculus | equations 8th GradeExercise example :
In a class of 10 students, 4 got the average in the last math test. What percentage of students got the average?
1341 solving equations | algebraic calculus | equations 8th Grade percentageExercise example :
In a class of 30 students there are 9 boys. What is the percentage of boys in this class?
1342 solving equations | algebraic calculus | equations 8th Grade percentageExercise example :
Find x such that `x^2`=9.
1415 square roots | solving equations | equations 9th Grade equation_solverExercise example :
Solve the following system:
`-x-2*y = 3`
`3*x = -2`
1423 solving equations and inequations of the first degree | equations of lines and linear systems | equations 9th Grade | 10th Grade solve_equationsExercise example :
Exercise example :
Exercise example :
Today Tom is 15 years old and Steve is 37 years old. In how many years the age of Steve will be double that of Tom?
1440 mathematics exams and competitions | solving equations and inequations of the first degree | equations 9th Grade equation_solverExercise example :
Exercise example :
Solve the following equation: `x/2-3=0`.
1501 solving equations | equations 10th Grade equation_solverExercise example :
Solve the following equation: `z^2+1-2*z=0`.
1502 solving equations | equations 10th Grade equation_solverExercise example :
Solve the following equation: `y^2-16=0`.
1503 solving equations | equations 10th Grade equation_solverExercise example :
Solve the following equation: `z^2+1-2*z=0`.
1504 solving equations | equations 10th Grade equation_solverExercise example :
The representative curve of the function f is given below. Find graphically one or more integer values of x on the interval [-5,5[ which verify the equation f(x)=1. You can use the red cursor to read the coordinates of the points.
1508 solving equations | square and inverse functions | equations 10th Grade equation_solverExercise example :
Solve the following equation `|x-4|=2`.
1513 order, absolute value, inequations | equations 10th Grade equation_solverExercise example :
Solve the following equation `|x+9/2|=9/4`.
1514 order, absolute value, inequations | equations 10th Grade equation_solverExercise example :
Find the ordinate of the direction vector of the line whose equation is `y=-7/10*x+6` which has abscissa 1
1524 vectors | equations | equations of lines and linear systems 10th Grade fractionExercise example :
How many solutions does the following equation have: `2*x^2-x` ?
1602 equations | second degree polynomials | solving equations 11th Grade discriminantExercise example :
Give the roots of the following equation `4*x^2+x-2`
1603 equations | second degree polynomials | solving equations 11th Grade equation_solverExercise example :
Determine the equation of the linear function whose graphical representation passes through the point D of coordinates (`3/5`,`2`).
2411 linear functions and affine functions | equations of lines and linear systems | equations 9th Grade equation_straight_lineExercise example :
Determine the reduced equation of the line passing through the points A(3;5 )and B(2;4).
2413 linear functions and affine functions | equations of lines and linear systems | equations 9th Grade | 10th Grade equation_straight_lineEquations : Find calculators, course reminders to help you solve the quizzes and games.
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