Practice Center
Practise, check your answers, and learn from mistakes.
Practice questions
FractionsGrade 5Easy
Simplify 18/24
PercentagesGrade 6Medium
What is 15% of 80?
AlgebraGrade 7Medium
Solve 3x + 5 = 20
GeometryGrade 8Hard
Find the area of a circle with radius 7 cm (π ≈ 22/7)
Check your answer
Solve 3x + 5 = 20
ℹ️ Answer checking will be connected soon.
Explaining mistakes
1/2 + 1/3 = 2/5
1/2 + 1/3 = 3/6 + 2/6 = 5/6
Example: adding the numerators and denominators separately is a common mistake. First rewrite both fractions with a common denominator.