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MA21201 Supplementary Mathematics

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

An ability to understand and be able to use Integers and Fraction add, subtract and use the process to
solve word problem in daily life, understand the Place value of numbers and decimals, can use ordering
and rounding decimals applied to daily life, use Percentages, conversed and use relations with decimals,
fractions and percent, understand the Ratio and proportion use them in daily life. Find the Angles,
understand the properties of triangle and quadrilateral, draw the Symmetry Length, calculated mass
capacity and time, calculate Area, perimeter and volume and applied to daily life.
This subject uses knowledge and understanding creating process, working process, analysis process,
grouping process and problem solving process in teaching and studying.
The knowledge and the processes are designed to develop the students’ desirable characteristics
which are love of nation, religion and king, Honesty and integrity, Self-discipline, Avidity for learning,
Observance of principles of Sufficiency Economy Philosophy in one’s way life, Dedication and commitment
to work, Cherishing Thai-ness, Public-mindedness and Health and aesthetic images.

Learning Outcomes
1. Use negative numbers, Add and subtracting negative numbers. Find the multiples factors and tests
for divisibility, prime numbers, squares and square roots.
2. Simplify fractions, recognis equivalent fractions, decimals and percentages, compare fractions
Improper fractions and mixed numbers. Add and subtracting fractions, find fractions of a quantity
and find remainders.
3. Understand decimals, Multiply and divide by 10,100 and 1000. Order decimals, round, add,
subtract, multiply, divide, estimate and approximae decimals.
4. Simple percentages, calculate, compare quantities, simplify ratios, share in a ratio and use direct
proportion.
5. Label and estimate angles, draw and measure angles, calculate angles and solve angle problems.
6. Recognise and describing 2D shapes and solids, line symmetry, rotational symmetry, Symmetry
properties of triangles, special quadrilaterals and polygons.
7. Know metric units, choosing suitable units and Read scales, the 12-hour and 24-hour clock,
timetables, real-life graphs.
8. Convert between units for area, calculate the area and perimeter of rectangles, the area and
perimeter of compound shapes, the volume of cuboids and the surface area of cubes and cuboids.

Total 8 Learning Outcomes