Section 22.2 Worksheets
PDF Version of these Worksheets
Worksheet Worksheet 1
1.
Calculate \((0.03) \cdot (1.5)\) using fraction multiplication.
2.
Calculate \((0.42) \cdot (0.2)\) using fraction multiplication.
3.
Complete the chart.
4.
Complete the chart. Reduce the fractions where possible.
Worksheet Worksheet 2
1.
Calculate \((0.05) \cdot 30\) using fraction multiplication.
2.
Calculate \((0.008) \cdot 2000\) using fraction multiplication.
3.
Calculate \(20\% \cdot 50\text{.}\)
4.
Complete the chart. Reduce the fractions where possible.
Worksheet Worksheet 3
1.
What is 25% of 80?
2.
30% of what number is 45?
3.
What percent of 20 is 40?
4.
The recipe states that the amount of water that is needed is equal to 70% of the weight of the flour used. If 2500 grams of flour are used in the recipe, what is the weight of water that is required for proper hydration?
The part:
The whole:
The percent:
Answer:
Worksheet Worksheet 4
1.
Calculate \(10\% \cdot 5\text{.}\)
2.
The marketing department has $100,000 to spend on this project, which is 20% of annual budget. How much money did they have budgeted for the entire year?
The part:
The whole:
The percent:
Answer:
3.
The car has a 12 gallon tank. When we went to the gas station, we filled it with 9 gallons of gas and now the tank is full. What percent of the tank's capacity was the gas level at before we went to the gas station?
The part:
The whole:
The percent:
Answer:
Worksheet Worksheet 5
1.
A shirt was marked on sale at 20% off the regular price. The cost of the shirt at the register was $12. What is the regular price of the shirt?
The part:
The whole:
The percent:
Answer:
2.
In the previous problem, a common error for students to make is that they compute 20% of $12 (which is $2.40) and then add that amount to $12 to get $14.40. Give two different explanations for why this approach is not correct.
3.
A tip can be calculated using the following method: (1) Start with the total bill; (2) Move the decimal point one space to the left; (3) Double that new number. Use algebra to explain why this results in a 20% tip.