T2 Pri WB Math P5.pdf

8/14/2019 T2 Pri WB Math P5.pdf

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Mathematics Pratomsuksa 5 Term Test 2

145

A Round off the numbers as stated. (6 marks)

1. 65 (to the nearest ten)

2. 2,449 (to the nearest hundred)

3. 30,371 (to the nearest thousand)

B Find the results. (8 marks)

1. 7,982 + (512 194) =

2. (1,071 17) + 9,937 =

3. (684 295) 87,363 =

4. 326,548 (1,214,535 35) =

C Write the decimals in the expanded form. (6 marks)

1. 46.02 40 + 6 + 0.02

2. 3,581.10 3,000 + 500 + 80 + 1 + 0.1

3. Seventy-nine point three seven 70 + 9 + 0.3 + 0.07

T er m T est 2

TT2 Pri Edu WB Math P5.indd 145 2/17/11 9:46:21 AM


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146

D Answer the questions based on the multiple bar chart.(9 marks)

Modes of transport to school

1. How many of them are female students and how many of them aremale students?

200 are female students. 170 are male students.

2. Which mode of transport is used by the equal numbers of male andfemale students?

On bicycle

3. Which is the least used mode of transport to school?

By car

E Fill in the with =, < or >. (6 marks)

1.4

7 <

9

14

2. 1311

+811

> 3513

2213

3. 7716

218

< 10916

158



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147

F Solve the problems. (10 marks)

1. 22.56 + 43.60 + 197.08 =

2. (8.07 + 65.12) 73.19 =

3. (238.65 174.85) 2.3 =

4. 1.95 (52.62 + 147.38) =

5. (68.04 + 35.5 81.11) 16 =

G Convert into the equivalent percentage. (12 marks)

1.45

= 80% 2.1120

= 55% 3.1725

= 68%

4. 0.31 = 31% 5. 0.53 = 53% 6. 0.79 = 79%

H Measure and state the size and type of the angles. (4 marks)

1.

Size = 75

Type: Acute angle

2.

Size = 155

Type: Obtuse angle



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148

I Use a set square to draw the described line. (9 marks)

1. LineUV is 2 centimeters from

ST

and runs parallel to it.

2. LineXW is parallel to

YZ and

passes through point O.

J Draw the specified shapes. (9 marks)

1. A square with each side measuring 2 centimeters.

2. A rectangle with the length of 3 centimeters and the width of1 centimeter.

3. Circle O has a radius of 1.5 centimeters.



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149

K Fill in the correctly. (6 marks)

1. 250 milliliters = 250 cubic centimeters

2. 6,000 cubic centimeters = 6 liters

3. 43,000 liters = 43 cubic meters

L Solve the word problems. (15 marks)

1. A house is sold at 1,250,000 Baht. A prospective buyer must pay adown payment of 312,500 Baht for the house. What is the percentage

of the down payment over the selling price of the house?

25%

2. Sandra keeps 30,000 Baht in the bank and earns an interest of 1,800

Baht. What is the percentage of the interest earned by Sandra?

6%

3. The rectangular parking lot of a hypermarket is 250 meters long and

190 meters wide. What are the perimeter and the area of the parking

lot?

Perimeter = 880 m ; Area = 47,500 square meters

4. A cubic tank can hold 125 cubic meters of water. What is the length

of the tank?5 meters

5. A swimming pool is 12 meters long, 7 meters wide and 5 meters deep.

What is the volume of water that is needed to fill up the pool?

420 cubic meters



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T2 Pri WB Math P5.pdf