Free Mental Maths Olympiad Class 6 Study Material

Preparation Material of CREST Mental Maths Olympiad (CMMO) for Class 6

Class 6 preparation guides cover about 86% of mental maths skills, including problem-solving, decimals, and arithmetic operations. Expert-verified exercises develop speed, focus, and reasoning. Children enjoy solving challenges, gaining confidence, while parents trust the reliable and structured guidance that ensures early competition readiness. Check out the list of topic-wise concepts for mental maths practice to ace the Olympiad exam.

Knowing Our Numbers

1. System of numeration
2. Comparison of numbers
3. Estimation of numbers and place value of a number
4. BODMAS rule
5. Whole numbers
6. Properties of whole numbers

Integers

1. Integers
2. Addition and subtraction of integers on number line
3. Properties of integers over addition, subtraction, multiplication, division

Fractions and Decimals 

1. Fractions: Operations and types
2. Ascending and descending order of the fractions
3. Decimals and their place values
4. Operations on decimals
5. Decimal fractions
6. Ascending and descending order of the decimals

Algebra

1. Variables and constants
2. Algebraic expressions

Playing With Numbers

1. Factors and multiples
2. Prime numbers
3. Composite numbers
4. Divisibility rules
5. Prime factorization
6. H.C.F. and L.C.M.
7. Play with patterns

Understanding Elementary Shapes

1. Lines and angles
2. Classification of triangles, circle & quadrilateral
3. Polygons
4. 3D shapes

Mensuration

1. Perimeter of rectangle
2. Perimeter of square
3. Perimeter of triangle
4. Perimeter of closed figures
5. Area of rectangle, square and combined figures

Data Handling and Symmetry

1. Pictographs, line graph and bar graph
2. Symmetry - Point & Reflection

Comparing Quantities

1. Percentage
2. Speed, time and distance
3. Profit and loss
4. Problems on ages
5. Average
6. Ratio and proportion