fourth quarter review for examination

FOURTH QUARTER

REVIEW FOR

EXAMINATION

* Ratio and Proportion,Percent, Fraction and Decimal,

Geometry

RATIO and

PROPORTION

*What is the ratio of the number of consonants to the vowels?

R A T I O

ANSWER:

2 : 3

*What is the ratio of the total number of vowels to the total number of consonants to the total number of letters?

R A T I O

ANSWER:

3 : 2 : 5

In a room, the ratio of boys to girls is 4 : 5. There are 28 boys.

*How many girls are there

in the room?

ANSWER:

35 girls

In a room, the ratio of boys to girls is 4 : 5. There are 28 boys.

*How many people are there in the

room?

ANSWER:

63

Quel lifts 25 kg of sugar. Shei lifts 8 kg heavier. *What is the ratio of the kg of sugar Shei lifts to Quel’s?

ANSWER:

33 : 25

Tracy has 25 marbles. 7 are green, 8 are red , 4 are blue and the rest are yellow.

*How many yellow marbles does Tracy have?

ANSWER:

6

Tracy has 25 marbles. 7 are green, 8 are red , 4 are blue and the rest are yellow.

*What is the ratio of the red marbles to yellow marbles to green marbles?

ANSWER:

8 : 6 : 7

Tracy has 25 marbles. 7 are green, 8 are red , 4 are blue and the rest are yellow.* What percent of the marbles are red? blue?

32%16

%

Noemi paid P 315 for 7 pieces of keychains.

*How much is the cost per piece of keychains?

ANSWER:

P45

What is the value of N in 6 : 5 = 42 : N ?

ANSWER:

35

Share P 900 between Joy, Fay and Chi in the ratio 2 : 3 : 1. * Who will receive the largest share?

ANSWER:

FAY

Share P 900 between Joy, Fay and Chi in the ratio 2 : 3 : 1. * How much goes to Joy?

ANSWER:

P300

Geometry

What angle represent the given time below?

a) 3 o’ clockb) 2:15 AMc) six o’ clock

Right angle

Straight angle

Acute angle

To form a polygon, how many possible line segments can be used?

ANSWER:

3 OR MORE

Refer to the figure on the right1) What kind of triangle is this?

2) What is its perimeter?

3) If its altitude is 8mm, find its area.

10 mm

12 mm

Isosceles

triangle32 mm

48 mm2

Refer to the figure on the right 4) What is the measurement of the third angle of a triangle if its two angles are 67° and 46°?

10 mm

12 mm

ANSWER:

67°

Ren lives in a subdivision with a circular park that measures 10 meters as its diameter.

If he decides to go around the circular park, how far will he walk? Use pi = 3.14

ANSWER:

Ren lives in a subdivision with a circular park that measures 10 meters as its diameter.What is its radius?What is the area of the circular park?

5 m

78.5 m2

A music room is 13 in long, 8 in wide and 3.2 in high. What is the volume of the room?

ANSWER:

332.8 in3

A base of a cylindrical drum has a diameter of 14 dm. The height of a drum is 12 dm. What is the volume of this drum?

ANSWER:

1 846.32 dm3

GOD BLESS :)