Proportions Word Problems

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Tags

CCSS.7.RP.A.2A

Front

How do you set up a proportion to solve a word problem?

Back

Identify the two ratios involved in the problem, set them equal to each other, and solve for the unknown.

Tags

CCSS.7.RP.A.2C

Front

What is the formula for converting currency using an exchange rate?

Back

The formula is: Amount in foreign currency = (Amount in dollars) x (Exchange rate).

Tags

CCSS.6.RP.A.3B

Front

If the exchange rate is 2 Dinars for every $3, how do you find out how many dollars you get for a certain amount of Dinars?

Back

Use the formula: Amount in dollars = (Amount in Dinars) x (3/2).

Tags

CCSS.6.RP.A.3B

Front

How do you calculate the cost per item when given a total cost and quantity?

Back

Cost per item = Total cost / Quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the scale of a map?

Back

The scale of a map is the ratio of a distance on the map to the actual distance it represents.

Tags

CCSS.7.RP.A.2C

Front

How do you find the actual distance represented by a distance on a map?

Back

Use the formula: Actual distance = (Distance on map) x (Scale factor).

Tags

CCSS.7.RP.A.2C

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions state that two ratios are equal.

Tags

CCSS.6.RP.A.3A

Front

How can you convert a word problem into a mathematical equation?

Back

Identify the quantities involved, determine the relationships between them, and express these relationships using variables and equations.

Tags

CCSS.HSA.CED.A.1

Front

What is the importance of unit conversion in solving word problems?

Back

Unit conversion ensures that all measurements are in the same units, allowing for accurate calculations.

Tags

CCSS.5.MD.A.1