Ratio Basics
A comparison of two quantities using division.
What is a ratio?
The missing value in 3:4 = 6:?
What is 8?
There are 6 cats and 4 dogs. This is the whole.
What is 10?
The sum of the parts in the ratio 2:3:4.
What is 12?
The ratio 4:6 simplified.
What is 2:3?
The missing value in 2:5 = ?:20.
What is 8?
A ratio comparing a part to the total.
What is a part-to-whole ratio?
In the ratio 1:2:3, there are 24 items total. This is the largest part.
What is 12?
The ratio of 8 red marbles to 12 blue marbles simplified.
What is 2:3?
A ratio equivalent to 4:9.
What is 8:18?
In a group of 12 boys and 18 girls, this is the ratio of boys to all students.
What is 12:30 or 2:5?
The ratio of red:blue:green beads is 2:3:5. There are 50 beads. This is the number of green beads.
What is 25?
The ratio 5:7 written as a fraction.
What is 5/7?
The missing value in 12:15 = x:25.
What is 20?
The ratio of red:blue:green marbles is 2:3:5. There are 40 marbles total. This is the number of green marbles.
What is 20?
The ratio 3:4:5 has a total of 72. This is the number in the middle part.
What is 24?
A tool or tools used to organize equivalent ratios.
What is a ratio table or double number line?
The scale factor used to turn 7 into 28.
What is 4?
The ratio of sixth graders:seventh graders:eighth graders at a school is 5:6:7. There are 216 students altogether. This is the number of eighth graders.
What is 84?
The ratio of apples:oranges:bananas is 3:4:5. There are 72 pieces of fruit altogether. This is the number of oranges.
What is 24?
The ratio of sixth graders : seventh graders : eighth graders is 4 : 5 : 6. Twenty students move into each grade. The new ratio becomes 6 : 7 : 8. This is the original number of students in the school.
What is 225 students?