The document analyzes common weaknesses and mistakes made by students on math word problems involving conversion of units. It provides examples of exam questions covering topics like time, length, mass, money and volume/liquid that require converting between different units of measurement. The examples show the types of mistakes frequently made by students like incorrect unit conversion or ignoring units.

1. (123 Box) SHAHRIL BIN OTHMAN SK SERENGKAM, MARAN

2. Analisis Kelemahan Murid

3. Contoh soalan : 1.2kg + 2kg 45g = Give the answer in kg. Kesalahan yang kerap dilakukan : 1.20 kg + 2.45 kg 3.65 kg Kesalahan menukar unit KELEMAHAN MURID (1)

4. Contoh soalan : RM50 – 265 sen = (UPSR 2008) Kesalahan yang kerap dilakukan : 265 - 50 215 = RM2.15 Anggap RM50 lebih kecil nilainya daripada 265 sen KELEMAHAN MURID (2)

5. Contoh soalan : Calculate 375 ml x 6. Give the answer, in l. (UPSR 2008) Kesalahan yang kerap dilakukan : 375 x 6 2270 = 2270 l Kecuaian menukarkan unit yang sepatutnya KELEMAHAN MURID (3)

6. ANALISIS SOALAN UPSR Tahun Kertas 1 Kertas 2 Jumlah % 2003 12 6 18 30.0 2004 12 5 17 28.3 2005 13 7 20 33.3 2006 12 4 16 26.7 2007 12 5 17 28.3 2008 10 5 15 25.0 2009 13 5 18 30.0

7. Fun & Easy 1 2 3 Box

8. Convert Units

9. Question : Convert 45 decade to century 5 4 cm century decade mm decade year 4.5 century ● TIME

10. Question : 8.03km = ____________m m g m ℓ Km Kg ℓ ● 8 0 3 0 8 0 3 0 m LENGTH

11. Addition Involving Units

12. Question : Add 810 mm and 79 cm. Give your answer in mm . cm century decade mm decade year 1 6 0 0 mm ● 0  0 7 6 0 8 1 0 9 1 LENGTH

13. Question : RM25  75 sen  RM3.40 = (UPSR 2007) sen cm years RM m cent 25 0 0 0 7 5 29 1 5  RM29.15 ● 3 4 0 MONEY

14. Question : Calculate 0.7 l + 250 ml . Give your answer, in ml . (UPSR 2003) m g m ℓ Km Kg ℓ ● 0 7 0 0 0 2 5 0 0 9 5 0 9 5 0 mℓ  VOLUME OF LIQUID

15. Subtraction Involving Units

16. Question : 12 centuries ─ 8 decades = _____ centuries cm century decade mm decade year 11.2 centuries ● 8 ─ 2 0 1 0 2 1 1 TIME

17. sen cm years RM m cent 1 0 2 1 8 1 4 0 ─ 3 centuries 40 years ● 6 3 Question : 10 centuries 21 years ─ 6 centuries 81 years = TIME

18. Question : Hasrul’s bag weighs 2kg 75g. After he puts a few books into the bag, it weighs 3.6kg. What is the mass, in g , of the book? (UPSR 2002) m g m ℓ Km Kg ℓ ● 3 6 0 0 2 0 7 5 1 5 2 5 ─ 1 5 2 5 g MASS

19. Multiplication Involving Units

20. Question : 6 cm 4 mm x 6 = ____ mm cm century decade mm decade year 3 8 4 mm ● 6 x 4 4 6 3 8 2 LENGTH

21. Question : Multiply 3.45 km by 6. Give the answer in m. m g m ℓ Km Kg ℓ ● 3 4 5 0 6 20 7 0 0 x 2 0 7 0 0 m LENGTH

22. Division Involving Units

23. Question : Divide 775.8 cm by 9 cm mm 8 6 . 2 cm ● 9 8 7 8 7 5 2 7 5 5 5 4 6 1 8 2 1 8 ─ ─ LENGTH

24. Question : Calculate the quotient when RM62 783.40 is divided by 3. sen RM 62 4 0 3 ÷ RM20 927.80 ● 7 8 3 2 0 2 9 2 7 8 0 2 2 MONEY

25. Disediakan oleh: SHAHRIL BIN OTHMAN SEKOLAH KEBANGSAAN SERENGKAM 26500 MARAN, PAHANG