Exploring Ratio and Proportions

What is the ratio of students in the teacher's classroom to Miss Deal's classroom?

• 31 to 28

• 27 to 31

• 28 to 30

• 28 to 31

Which of the following is NOT a ratio?

• 6 to 1

• $1.79 per gallon of gas

• 13 boys to 14 girls

• 27 students to 31 students

What is a rate typically used to compare?

• Two identical things

• Two unlike things

• Two similar things

• Two like things

In a geometric context, what is the ratio of the sides of two squares if one has sides of 6 and the other has sides of 1?

• 6 to 2

• 1 to 6

• 6 to 1

• 1 to 5

How can the ratio 3 to 12 be simplified?

• 1 to 4

• 1 to 2

• 1 to 3

• 3 to 4

What do similar figures have in common?

• Different sides

• Different angles

• Congruent angles

• Congruent sides

If the ratio of angles in a triangle is 2x to 3x to 4x, what is the measure of the smallest angle?

• 80 degrees

• 60 degrees

• 40 degrees

• 20 degrees

In a proportion, what does it compare?

• Two ratios

• Two like things

• Two fractions

• Two unlike things

What are the terms in the lower left and upper right positions of a proportion called?

• Extremes

• Ratios

• Proportions

• Means

If x equals 5 in the proportion problem, what is the value of the side labeled x + 1?

• 7

• 4

• 5

• 6