Ratio Number Lines, Tables, and Tape Diagrams OH MY!!

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Front

How do you find a unit rate?

Back

To find a unit rate, divide the quantity by the number of units. For example, if 4 apples cost $2, the unit rate is $2 ÷ 4 = $0.50 per apple.

Front

What is a tape diagram?

Back

A tape diagram is a visual model that uses rectangles to represent numbers and their relationships, often used to solve ratio and proportion problems.

Front

How do you solve a ratio problem using a table?

Back

To solve a ratio problem using a table, list the quantities in columns, find equivalent ratios, and use them to answer questions.

Front

If 2,000 feet are jogged in 4 minutes, how many feet are jogged in 1 minute?

Back

500 feet.

Front

What is the total number of students if there are 120 boys and 150 girls?

Back

270 students.

Front

If 30 kids like grape juice and the total is 70 kids, how many kids like pineapple juice?

Back

40 kids.

Front

How do you calculate the cost of multiple items?

Back

Multiply the cost of one item by the number of items. For example, if 1 lemon costs $0.15, then 5 lemons cost $0.15 x 5 = $0.75.

Front

If 9 avocados cost $5, how much does 1 avocado cost?

Back

$5 ÷ 9 = approximately $0.56.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.