Understanding Ratios and Proportions

The video tutorial by Jeff Jacobson introduces the concept of ratios, explaining how they compare two quantities and can be represented in three different ways: using words, colons, or fractions. The tutorial provides examples, such as comparing coins and using ratio tables to find equivalent ratios. It also includes a practical application of calculating sodium intake based on the number of crackers consumed. The video concludes with a prompt to subscribe for more content.

What is a ratio?

• A division of a single quantity

• A comparison of two quantities

• A comparison of three quantities

• A multiplication of two quantities

Which of the following is NOT a way to write a ratio?

• Using the word 'to'

• Using a colon

• As a decimal

• As a fraction

In the example with coins, what is the ratio of pennies to quarters?

• 5 to 7

• 6 to 7

• 7 to 6

• 6 to 8

How can the ratio 6 to 16 be simplified?

• 3 to 7

• 2 to 8

• 3 to 8

• 4 to 8

What is an equivalent ratio to 4 to 6?

• 5 to 7

• 6 to 8

• 2 to 3

• 8 to 12

In a ratio table, if you have 1 pen to 3 pencils, what is the ratio for 2 pens?

• 2 to 4

• 2 to 5

• 2 to 6

• 2 to 3

How do you find equivalent ratios using multiplication?

• Multiply by different numbers

• Multiply both terms by the same number

• Multiply only the denominator

• Multiply only the numerator

What is the ratio of sodium to crackers in the real-world problem?

• 240 to 36

• 15 to 240

• 36 to 240

• 240 to 15

How much sodium is consumed if 15 crackers are eaten?

• 150 milligrams

• 120 milligrams

• 100 milligrams

• 80 milligrams