TEKNIK MENJAWAB SOALAN MATEMATIK UPSR KERTAS 2

1. 2 million = 1 5 Give the answer in whole number 1 5 million 2 0.2 x 1 000 000 = 200 000 2 000 000 + 200 000 = 2 200 000

2. Convert to a mixed number 14 5 2. Convert to a mixed number 14 5 = 14 ÷ 5 2 = 2 4 5 5 ) 1 4 - 1 0 4

3. Round off 5.673 to the nearest tenths. 5 . 6 7 3 + 1 5 . 7 0 0

4. Diagram 1 shows the mass of a packet of salt. What is the mass, in kg, of the salt ? 1.2 kg 1.4 kg = 1.4 kg

5. Diagram 2 shows the volume of water in a container. 1.6 l 1.4 l 1.6 l 1.2 l = 1.6 X 1000 = 1600 ml What is the volume of water, in ml

6. Diagram 3 shows a time in the afternoon. hr min 15 45 + 40 = 3 : 45 pm 15 85 = 1545 hour + 1 - 60 16 25 3:45pm = 1625 hour What time would it be in the 24 hour system, 40 minutes later ?

7. 30% of 2 kg Give the answer in g. 2 kg = 2000 g 30% X 2000 g = 30 100 X 2000 = 60000 100 = 600g

8. 1 2 ÷ 2 7 = 1 2 = 7 2 x 1 X 7 2 X 2 = = 7 4 = 1 3 4

9. 1 3 4 km - 990m = Give your answer in m. km 3 4 1 = 1750 m 1750 m – 990 m = 760 m

10. Diagram 3 shows a square X and a rectangle Y. Perimeter 4 cm = 9 + 9 + 4 15 cm 9 cm + 15 + 5 + 24 = 66 cm What is the perimeter of the whole diagram ?

11. 19 X ( 120 – 75 ) = 120 – 75 = 45 19 X 45 = 855

12. 6 32 100 ÷ 4 = Give the answer in decimals. 6.32 ÷ 4 = 1.58 32 100 6 1.58 4 ) 6.32 - 4 2 3 2 0 32 = 6.32

13. Diagram 4 consists of several squares of equal size. Fraction of the shaded part : = 3 12 Percentage of the shaded part : 3 12 300 12 X 100 % = What percentage of the whole diagram is shaded ? = 25 %

14. Diagram 5 shows the length of a rope. Calculate the length, in cm, from P to R 2 3 5 m Length from P to R : = 2.6 m 260 cm + 175 cm = 435 cm 2.6 m = 260 cm

1 1 15. 3 4 3 7 4 4 = 7 4 7 4 years X 5, is how many months ? 21 months X 5 = 105 months 7 4 year = _____ months 7 4 X 12 = 21 months

16. Diagram 6 shows a combination of a square KLMN and a rectangle PQMR. Area KLMN = 7cm X 7 cm = 49 cm2 Area PQMR = 3cm X 5 cm = 15 cm2 3cm Shaded area 49 cm2 - 15 cm2 = 34 cm2 Find the area, in cm2, of the shaded region in the diagram.

Total = average X numbers of group 17. In the Mathematic test, the average marks marks of Ahmad, Orhan, Chew and Dennis is 92. Ahmad and Borhan scored a total of 194 marks altogether. Find the average marks of Chew and Dennis Total = average X numbers of group Total = 92 X 4 Average marks of Chew and Dennis = 368 174 ÷ 2 = 87 Total marks of Chew and Dennis 368 - 194 = 174

18. Table 1 shows the unit price of two types of stationery. Stationery Unit price Book RM 7.80 Pen RM 16.00 Shahril bought 2 books and 3 pens. He paid with a RM 100 note. How much money did he get back ? 2 books : Total : RM 7.80 X 2 = RM 15.60 RM 15.60 + RM 48.00 = RM 63.60 3 pens : Balance : RM 16.00 X 3 = RM 48.00 RM 100.00 – RM 63.60 = RM 36.40

19. The pie chart in Diagram 7 shows the percentages of pupils in a school according to 3 races. The total number of pupils is 1 200. i) What is the percentage of Indian pupils ? 100% - 27% - 48% = 25%

19. The pie chart in Diagram 7 shows the percentages of pupils in a school according to 3 races. The total number of pupils is 1 200. ii) How many Chinese and Indians pupils are there in the school ? Total Chinese and Indian 27% + 25% = 52% 25% 52% of 1200 X 1200 = 52 100 624 pupils

20.Diagram 8 shows the weight of two watermelons. The weight of watermelon P is 1.15kg. What is the weight, in kg, of 3 similar watermelon Q ? 3 similar watermelon Q Q = total weight – weight of P = 3 X 600g = 1750 g – 1150 g = 1800 g = 600 g = 1.8 kg