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Fourth Periodical Examination Mathematics

I. Translate the following decimals into words.

1.) 0.09

2.) 1.76

3.) 12.45

4.) 20.004

5.) 0.101

II. Choose the correct translation of the following.

1. one hundred seventy thousandths

A. 0.170 B. 0.017 C. 0.17 D. 1.70

2. forty and two tenths

A. 40.02 B. 40.2 C. 40.002 D.40.002

3. seventy and ninety-nine hundredths

A. 70.099 B. 70.909 C. 70.99 D. 99.07

4. sixty-nine hundredths

A. 69.0 B. 0.0069 C. 0.69 D. 0.069

5. twenty-two and five tenths

A. 22.5 B. 22.05 C. 22.005 D. 22.0005

III. Compare the following decimals. Use , =.

1.) 20.01 ________ 20.10

2.) 0.09 ________ 0.090

3.) 1.999 ________ 2.0

4.) 23.4567 _____ 23.4576

5.) 0.898 ________ 0.989

IV. Order the following decimals from least to greatest.

Write the numbers 1, 2, 3 beside the decimal.

2.38 2.41 2.39

0.09 0.90 9.0

123.456 123.789 123.123

78.09 78.07 78.08

90.08 90.90 90.21

V. Round off the following decimals to the given place

value.

7.89 tenths

23.681 hundredths

0.90 tenths

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1.8084 thousandths

33.33345 ten thousandths

VI. Perform the following operations. Use the back of

your paper for your solutions.

Addition Subtraction

0.9 + 0.12 = 0.2 0.1 =

4.63 + 2.24 = 6.7 3.4 =

0.342 + 0.224 = 9.14 - 2.08 =

1.645 + 2.888 = 8.5 4.21 =

0.09 + 1.233 = 9.5 8.04 =

Multiplication Division

0.4 x 0.2 = 3.6 / 9 =

4.12 x 0.2 = 33.58 / 11 =

0.36 x 100 = 1.6 / 0.8 =

2.95 x 10 = 0.04 / 0.02 =

1.25 x 2.1 = 0.63 / 0.30 =

VII. Word Problems

1. Lina is 154.25 cm tall while Rosa is 148.03 cm tall. By

how many cm is Lina taller than Rosa?

2. One meter of lace costs P125.50. How much will Letty

pay for 10 m of lace?

3. How many pieces of cloth of 0.5 m length can be cut

from a piece 2.5 m long?

4. Mrs. Gorospe bought the following items for her

children. See the list below.

Items Quantity Price per item

T-shirt 3 P120.25

Blouses 4 P299.75

Pants 2 P399.00

Shoes 2 P599.50

How much did she pay for all the items?

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If she gave four P1000 bills, how much was her

change?

VIII. Write the ratio of the following.

1. 80 pupils to 2 teachers

2. 3 pencils for P5

3. 16 books for 4 pupils

4. 6 chairs to 1 table

5. 60 pencils in 4 boxes

VIII.Check if the following ratios form a proportion by

multiplying their means and extremes.

1. 2:5 and 5:10

2. 5:6 and 10:12

3. 1:4 and 4:1

4. 1:3 and 3:2

5. 3:9 and 1:3

IX. Express as percent.

1. 2/100

2. 0.60

3. 48/100

4. 40/100

5. 0.55

6. 16 out of 20

7. 89 out of 100

8. 18 mangoes out of 100 fruits

9. 33 boys out of 100 students

10.54 blue cards in a box of 100 cards

X. Word Problems

1. The Asia Foundation donated 100 books to a school.

Sixty of these books were math books. What percent

are math books?

2. If 3 oranges are needed for 6 glasses of jucies, how

many oranges are needed for 18 glasses of juice?

3. The ratio of girls to boys in a Grade 4 class is 3:7. If

there are 28 boys, how many are girls?

4. In a survey, 40% of Grade 4 students said that they

listen to Justin Bieber. If there are 200 students

surveyed, how many of them do not listen to Justin

Bieber?