Percentage and Proportions in Money

Mr. Richards reviews grade six math concepts focusing on percentages. He explains percentages using coin values, explores different coin combinations, discusses historical coin values, and uses a double number line to illustrate percentages of $50. The lesson includes problem-solving exercises involving tokens, snail travel rates, and taco cost calculations, emphasizing unit rates and equivalent ratios.

What percentage of a dollar is represented by four dimes?

• 10%

• 20%

• 40%

• 30%

If you have one nickel and three pennies, what percentage of a dollar do you have?

• 5%

• 12%

• 10%

• 8%

Which of the following combinations equals 30% of a dollar?

• 30 pennies

• 2 dimes and 1 nickel

• 1 quarter and 1 nickel

• 3 nickels and 5 pennies

How many dimes are needed to make 140% of a dollar?

• 10 dimes

• 12 dimes

• 14 dimes

• 16 dimes

What is the percentage value of a half-cent coin?

• 2%

• 0.5%

• 1.5%

• 1%

How much is 20 cents as a percentage of a dollar?

• 10%

• 15%

• 20%

• 25%

On a double number line, what is 75% of $50?

• $37.50

• $50

• $62.50

• $25

If Elena buys 8 tokens for $4.40, how many tokens can she buy for $6.05?

• 13 tokens

• 10 tokens

• 11 tokens

• 12 tokens

How long will it take a snail to travel 24 centimeters if it travels 10 centimeters in 4 minutes?

• 12 minutes

• 10 minutes

• 9.6 minutes

• 8 minutes

If three tacos cost $18, what is the cost of six tacos?

• $32

• $34

• $30

• $36