Understanding Ratios and Proportions

This video tutorial explains how to solve ratio word problems using tables. It covers the basics of ratios, how to represent them, and how to set up a table with ratios, multipliers, and totals to solve problems. The video includes five sample problems, demonstrating the application of these concepts in different scenarios. The tutorial concludes with an invitation for feedback and further learning opportunities.

What is the primary tool used in this video to solve ratio word problems?

• A flowchart

• A graph

• A table

• A calculator

How can ratios be represented?

• With a plus sign

• With a dash

• With a colon or the word 'to'

• With a semicolon

If the ratio of apples to oranges is 3 to 5, what fraction of the total is apples?

• 3/5

• 3/8

• 5/8

• 1/2

In setting up a table for ratio problems, what is the purpose of the multiplier?

• To divide the total

• To add to the total

• To scale the ratio to the total

• To subtract from the total

In a class of 25 students, 11 are male. What is the ratio of female to male students?

• 11 to 14

• 14 to 11

• 14 to 25

• 11 to 25

An 84-foot rope is cut into two pieces with a ratio of 2 to 5. How long is the smaller piece?

• 36 feet

• 30 feet

• 24 feet

• 48 feet

If the ratio of red to blue candies is 3 to 5 and there are 90 blue candies, how many total candies are there?

• 150

• 144

• 180

• 120

A cookie recipe calls for a ratio of flour to sugar to chocolate of 5 to 2 to 1. If using 10 cups of sugar, how much flour is needed?

• 25 cups

• 15 cups

• 10 cups

• 20 cups

The angles of a triangle are in the ratio of 2 to 5 to 8. What is the size of the largest angle?

• 60 degrees

• 72 degrees

• 96 degrees

• 108 degrees