GRADE 9A MATHEMATICS

It is the comparison of two quantities

• Ratio

• Proportion

• Similarity

• Congruence

What is the ratio of the following? 4 boys to 10 girls.

• 4:10

• 10:4

• 2:5

• 5:2

What is the ratio of the following quantities? 1 km and 750 m.
NOTE: 1 km = 1,000 m

• 1:750

• 750:1

• 3:4

• 4:3

In a class of 30 students, the ratio of boys to girls is 2:3. What is the number of boys in the class?

• 10

• 12

• 18

• 20

It is a statement that two ratios or fractions are equal.

Juan and Pedro had a mutual agreement to divide the earnings per day of their monkey business in the ratio of 3:4. If Juan received P1,200 today, how much did they earn on today's business?

• P1,600

• P2,800

• P3,600

• P4,000

These are polygons that have the same shape but not necessarily the same size.

• Similar Polygons

• Congruent Polygons

• Scale Polygons

• Proportional Polygons

A statue on a shelf is recreated on a computer screen. The actual statue is 14 in. tall and 4 in. wide. The statue on the computer screen is 1.5 in. wide. How tall is the statue on the computer screen?

• 0.43 in

• 5.25 in

• 6.75 in

• 37.33 in

Refer to the figure. If AB = 5, BC = 15 and FG = 45, what is the measurement of EF?

• 1.67

• 15

• 60

• 135

Refer to the figure. Solve for the value of x.

• 10.11

• 16.71

• 27

• 43.62