L14 S2 Tape Diagrams and Double Number Lines

Front

What is a tape diagram?

Back

A tape diagram is a visual representation used to show the relationship between quantities, often used in solving ratio and proportion problems.

Front

What is a double number line?

Back

A double number line is a tool that displays two sets of numbers on parallel lines, helping to visualize relationships and conversions between two quantities.

Front

How do you use a tape diagram to find a missing quantity?

Back

You can use a tape diagram to represent known quantities and their ratios, then use the diagram to find the unknown quantity by scaling.

Front

If a tape diagram shows a ratio of 2:3, what does this mean?

Back

This means for every 2 parts of one quantity, there are 3 parts of another quantity.

Front

How can you determine the total number of items using a double number line?

Back

You can add the corresponding values from both lines to find the total quantity represented.

Front

What is the purpose of using ratios in tape diagrams?

Back

Ratios help to compare quantities and understand their relationships, making it easier to solve problems involving proportions.

Front

If 9 cups of raisins make 6 loaves of bread, how many cups are needed for 1 loaf?

Back

1.5 cups of raisins are needed for 1 loaf of bread.

Front

How do you calculate the expected quantity of an item using a tape diagram?

Back

You can set up a proportion based on the known quantities and solve for the unknown quantity.

Front

What is the relationship between boys and girls in a group if there are 120 boys and a total of 270 children?

Back

There are 150 girls in the group (270 total - 120 boys = 150 girls).

Front

If 12 people take 2 minutes to go down a slide, how long would it take for 1 person?

Back

It would take 2 minutes for 1 person, as the time does not change with the number of people.