lsm grade 4 math 3rd trim exam sy 2010 -2011

Mathematics 4 1 Prepared by: Mauie Flores

LSM 2010-2011 www.the24hourmommy.com ©

MATHEMATICS 4

Lourdes School of Mandaluyong

3rd Trimester Exam Reviewer

Read and answer sentence below. Express each ratio in its simplest form.

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1. Seven out of 21 birds are crows. What is the ratio of crows to other

birds?

2. There are 36 boys in the gym and 10 of them are playing basketball.

What is the ratio of the boys playing basketball to those who don’t?

3. Section 1 donated a total of 54 canned goods. Eighteen of these are

pork and beans. What is the ratio of pork and beans to the other

canned goods?

4. What is the ratio of vowels to consonants in the name, LOURDES

SCHOOL OF MANDALUYONG?

5. Eighteen out of 90 women prefer to use anti-dandruff shampoo every

day. What is the ratio of these women to those who don’t?

Solve the following proportions for n.

1. 50 : 100 : : 25 : n Answer: __________

2. n/15 = 1/3 Answer: __________

3. n : 48 : : 10 : 30 Answer: __________

4. 20/16 = 15/12 Answer: __________

5. 30 : n : : 10 : 16 Answer: __________

Write a proportion and solve.

1. Smart Bookstore earns Php 15 000 for every 300 science textbooks that they sell.

How many science textbooks were sold if the total sales for the day amount to

Php 25 000?

2. It will take 3 meters of cloth to make one dress. How many dresses can be made

from 90 meters of cloth?



3. Each inch in a map is equal to 5 feet in actual land distance. How far is the

actual distance between two points if they are 20.5 inches apart in the map?

4. Divide 1035 in the ratio of 2 : 3 : 4.

5. Nina and her classmates were able to collect 300 old toys for donation to three

different institutions. If they are going to follow the ratio 2 : 3 : 5, how many toys

will each institution receive?

Find the percentage.

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1. 28% of 81

2. 53% of 79

3. 87% of 105

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4. 8% of 50

5. 12% of 72

Find the rate.

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1. What percent of 80 is 16?

2. What percent of 8 is 5?

3. 48 is what percent of 160?

4. How many percent of 60 is 5?

5. 23 is what percent of 300?

Find the base.

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1. 75% of this number is 35




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Examine the drawing inside the box. Answer the questions that follow.

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1. Name 3 points.

2. Name 1 line segment.

3. Name 2 rays.

4. Give the name of the lone plane in the drawing.

5. Name 2 lines that intersect with each other.

6. Name 2 lines that are perpendicular to each other.

7. Name 2 lines that are parallel with each other.

8. Name 2 right angles.

9. Name 1 acute angle.

10. Name 1 obtuse angle.

11. Name 2 straight angles.

12. Name 1 reflex angle.

13. Name 1 pair of complementary angles.

14. Name 1 pair of supplementary angles.

Write the type of triangle below each drawing.

According to length of sides

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According to angles

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Draw the polygon that is being asked.

heptagon

decagon

icosagon

undecagon

dodecagon

octagon

hexagon

pentagon

nonagon

Identify these quadrilaterals. Write their names on the blanks.

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Find the area and perimeter.

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Construct a line graph or a bar graph for the data below and answer the questions that

follow.

Sales of Smart Bookstore for 2010

January – Php 77 590

February – Php 68 000

March – Php 23 800

April – Php 20 750

May – Php 97 830

June – Php 128 359

July – Php 95 660

August – Php 90 700

September – Php 72 000

October – Php 76 000

November – Php 89 450

December – Php 91 685



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1. Which month had the lowest sale?

2. Why do you think did the sales rise in June?

3. How much is the total sales for the whole year?

lsm grade 4 math 3rd trim exam sy 2010 -2011

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