1. Knowledge about geometric shapes to use or create a device or things.2. Find out the greatest common divisor and the least common multiple and applied to solve the problem.3. Percentage used in daily life, such as finding a profit - loss rate. "Problem solving thinking in problem invite about money and other problems encountered in daily life.4. Tell the number is the amount that represent more or less. And write the numbers symbols for numbers.5 Roman numeral. Tell the basic and main use in writing the Roman numerals.6. Tell the binary number system, and change the number.7. Applied integer used to calculate about spending, trading in daily life.8. Add, subtract, multiply or divide in the form of exponential. Using scientific notation. The application of estimation in solving the problem.9. Divide the line segment into several parts to rate using a compass.10. Create a corner of various sizes. By using the relationship of the angle or 60 degrees and 90 degrees and create a triangle. และสี่เหลี่ยมด้านขนาน. Based on the knowledge of divide the line segments. The corner and help to create.
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