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ค22201 Supplementary Mathematics

Supplementary Subject Learning Area of Mathematics
Secondary 2 Semester 1 Time 40 Periods 1 Credit

Add, subtract, multiply and divide integers, Use the laws of arithmetic and inverse operations to simplify
calculations with integers, Identify and use multiples, factors, common factors, highest common factors, lowest
common multiples and primes, Understand and Calculate the squares, positive and negative square roots, cubes
and cube roots, use the notation squares, cubes and index notation for positive integer powers, Multiple and divide
the number by 0.1 and 0.01, Order decimals making use of the =, ≠, ≥ and ≤ signs, and round the whole numbers
to a positive integer power of 10 or decimals to the nearest whole number or one or two decimal places, Add,
subtract, multiply and divide the decimals and estimating and approximating of decimals, Find equivalent fractions,
decimals and percentages, Convert fractions to decimals, Order fractions making use of the =, ≠, ≥ and ≤ signs, Add,
subtract the fractions, Find fractions of a quantity, Multiply and Divide an integer by a fraction and multiplying and
divide the fractions, Calculate, find and use the percentages, increasing and decreasing of percentage, Simplify
ratios, find sharing in a ratio and able to solving problems involving ratios, Understand parallel lines, Explain angle
properties, Solve angle problems, Recognize congruent shapes, Identify symmetry of 2D shapes, Classify
quadrilaterals, Draw nets of solids, Make a scale drawings, Choose suitable units, understand and convert
kilometers and miles, Find the area of a triangle, the areas of a parallelogram and trapezium, the area and
circumference of a circle, the areas of compound shapes, Find the volumes and surface areas of cuboids and use
the nets of solids to work out surface areas.

Learning Outcomes
1. Add, subtract, multiply and divide integers, use the laws of arithmetic and inverse operations to
simplify calculations with integers.
2. Identify and use multiples, factors, common factors, highest common factors, lowest common
multiples and primes.
3. Understand and calculate the squares, positive and negative square roots, cubes and cube roots, use
the notation squares, cubes and index notation for positive integer powers.
4. Multiple and divide the number by 0.1 and 0.01, order decimals making use of the =, ≠, ≥ and ≤ signs,
and round the whole numbers to a positive integer power of 10 or decimals to the nearest whole
number or one or two decimal places.
5. Add, subtract, multiply and divide the decimals and estimating and approximating of decimals.
6. Find equivalent fractions, decimals and percentages, convert fractions to decimals, order fractions
making use of the =, ≠, ≥ and ≤ signs.
7. Add, subtract the fractions, Find fractions of a quantity, multiply and divide an integer by a fraction
and multiplying and dividing the fractions.
8. Calculate, find and use the percentages, increasing and decreasing of percentage.
9. Simplify ratios, find sharing in a ratio and be able to solve problems involving ratios.
10. Understand parallel lines, explain angle properties and solve angle problems.
11. Recognize congruent shapes, identify symmetry of 2D shapes, classify quadrilaterals, draw nets of
solids and make scale drawings.
12. Choose suitable units, understand and convert kilometers and miles.
13. Find the area of a triangle, the areas of a parallelogram and trapezium, the area and circumference of
a circle, the areas of compound shapes.
14. Find the volumes and surface areas of cuboids and use the nets of solids to work out surface areas.

Total 14 Learning Outcomes