This document provides a summary of topics and concepts covered in the UPSR 2010 mathematics exam, along with techniques for answering mathematics questions. It discusses whole numbers, operations, fractions, decimals, money, time, length, mass, volume, averages, percentages, shapes, and data handling. Key steps are outlined, such as carrying out operations from left to right and using order of operations. Memory aids are also provided to help remember topics like conversion between units.

1. TEKNIK MENJAWAB SOALAN MATEMATIK UPSR 2010 UPSR ¸½¢¾õ §¾÷× «ÏÌÓ¨È

2. EN. S. MUTHARASAN SJK (T) BAGAN SERAI Óò¾Ãºý ¦ºø¨Ä¡ À¡¸ý ¦ºÃ¡ö ¾Á¢úôÀûÇ¢

3. Mathematics Paper 1 – 40 Questions 1 hour Peper 2 – 20 Questions 40 minutes

4. Whole Numbers Place Values and digit values Comparing number values Partition the numbers Round off numbers Number Line Basic operations involving numbers Addition Subtraction Multiplication Division

5. Mixed operation involving + and - Carry out the operation from left to right 2078 + 125 – 69 2203 – 69 = 2134 Mixed operation involving X and ÷ Carry out the operation from left to right 305 X 7 ÷ 5 = Carry out the operation from left to right 2135 ÷ 5 = 427 Whole Numbers

6. Whole Numbers BODMAS (Brackets of division, multiplication, addition and subtraction) 4832 + 246 X 4 = Multiply first, then add. 4832 + (246 X 4) 4832 + 984 = 5816 (1105 ÷ 5) X (74 – 48 ) = 221 X 26 = 5746

7. TIMES TABLE 81 72 63 54 45 36 27 18 9 72 63 56 48 40 32 24 16 8 63 56 49 42 35 28 21 14 7 54 48 42 36 30 24 18 12 6 45 40 35 30 25 20 15 10 5 36 32 28 24 20 16 12 8 4 27 24 21 18 15 12 9 6 3 18 16 14 12 10 8 6 4 2 9 8 7 6 5 4 3 2 1

8. 1126  25 = 45 18 9 35 14 7 40 16 8 5 2 X 125 100 75 50 25 25 10 5 20 8 4 15 6 3 10 4 2 5 2 1

9. MIXED OPERATIONS 1. 45 + 20 – 12 = 2. 90 - 70 + 20 = 3. 45 X 3 ÷ 5 = 4. 388 ÷ 4 X 24 = 5. 4613 + 396 X 3 = 6. 6880 – 45 X 5 = 7. 6307 + 287 ÷ 7 = 8. 5019 – 152 ÷ 4 = 9. 96 X (4224 – 4209) = 53 40 27 2328 5801 6655 6348 4981 1440

10. FRACTION Proper fractions Equivalent fractions Improper fractions Addition and subtraction of fractions Multiplication of fractions Division of fraction

11. Decimals Name and write decimals. Place values and digit values Basic operations involving decimals. Mixed operations of decimals. Problem solving 1 2 3.4 5 6 thousandths

12. MONEY Read and write the value of money in words and numerals. Rounding off money. Basic operations involving money. Mixed operations involving money. Problem solving. Discount – New Selling Price Pay increase – New Pay Profit = Selling Price – Cost Price Percentage profit = Profit/Cost Price X 100% Loss = Cost Price – Selling Price Percentage loss = Loss/Cost Price X 100%

13. Time Time systems – 12 hour system, 24 hour systems Relationships between units of time 1 minute = 60 seconds 1 hour = 60 minutes 1 hour = 3600 seconds 1 day = 24 hours 1 year = 12 months 1 decade = 10 years 1 century = 100 years

14. Time Durations of events Calculating the duration of an event Determining starting or ending time of events Duration = Ending time – Starting time Starting time = Ending time – duration Ending time = Starting time + duration Solving Problems involving durations Find the duration from 6 April 2008 to 29 April 2008 24 days Find the duration from 15 July 2008 to 8 Sept 2008 56 days

15. Length , Mass and Volume of liquids Measuring Length, comparing ,masses of mass, Comparing volumes of liquids Measuring, reading and estimating Relationship between units of length Relationship between units of Mass Relationship between units of Volume of liquids Basic operations involving length, mass and volume of liquids.

16. 62.5 625 625 625 625 62.5 0.625 37.5 375 375 375 375 37.5 0.375 12.5 125 125 125 125 12.5 0.125 40 400 400 400 400 40 0.4 20 200 200 200 200 20 0.2 75 750 750 750 750 75 0.75 25 250 250 250 250 25 0.25 50 500 500 500 500 50 0.5 m/cm RM1000 l/ ml Km/m Kg/g % Decimals Fraction

17. Average Total Value  Number of items =  Number of items = Avarage Total Value  = Avarage Calculate the average of numbes. To find the missing value in a range of numbers.

18. BIG SMALL kg g x 1000 km m x 1000 l ml x 1000 hour minutes x 60 year months x 12

19. SMALL BIG g kg  1000 m km  1000 ml l  1000 minutes hour  60 month year  12

20. Percentages Convert Fractions and decimals to percentage Problem solving Profit and loss Income and expenditure Discounts Taxes Dividends Percentages

21. Two-dimensional shapes Perimeter & Area Square Rectangle Triangle – isoceles (2), equilateral (3), right angle 3D shapes Surface Area Volume Solving problems involving 2D and 3D composite shapes Shape and Space

22. Data Handling Pictographs Bar Graphs Pie Charts Organising and interpreting Data Frequency Mode Range Maximum Minimum Min (Average) 1 5 2 4 3 3 4 2 5 1 Number of pupils Score

23. ÓÂüº¢ À¢üº¢ ¦¾¡¼÷ SAYA BACA SAYA LUPA SAYA TENGOK SAYA INGAT SAYA BUAT SAYA FAHAM

24. ¿ýÈ¢ TERIMA KASIH THANK YOU