- Fractions to decimals to percents
Sample questions:
- Write 2/3 as a decimal
- Write 1/5 as a percent
- Percents to decimals to fractions
Sample questions:
- Write 15% as a decimal
- Write 20% as a fraction
- Percent of an amount
Sample questions:
- What is 5% of 300
- What is 0.34% of 12?
- What is 134% of 90?
- Taxes/Stock Market
Sample questions:
- What is the tax and total price on something costing $34.00 plus 13% tax?
- A stock climbs 1.35% from $980. What is the new price?
- Percentage Growth/Decrease
Sample questions:
- 300 people attended a concert last year, this year attendance was down 12%. How many people attended this year?
- 400 people attended a concert this year, up 20% from last year. How many attended last year.
- Find the percent decrease from 140 to 98
- Estimating Percents
Sample questions:
- Estimate how much 30% is of 2000
- What are percents? Why are they useful?
Sample questions:
- Why are percents useful to compare?
- When we are creating a percent, what common denominator are we using?
- Ordering Fractions using decimals
Sample questions:
- Put these in order: 15% 12/20 0.8 1.5
- Over 100% increase
Sample questions:
- I earned $25 00o last year. This year, my earnings were up by 125%. How much did I earn this year?
- 100% increase compared to 2 times increse
Sample questions:
- Bacteria in a test tube grown by 700%. How many times did it grow?
- The amount of electric cars on the road in 9 times what it was 10 years ago. What percent increase is that?
- Given the percent and the portion, what is the amount?
Sample Question:
30 is 25% of what amount?
(Grade 8 only)
(Hint: 30 divided by 0.25)
- Word Problems involving the above
Sample Questions:
- 35% of students at a school of 500 ordered pizza. How many ordered pizza?
- 400 students at a school of 750 ordered pizza, what percent ordered pizza?
- 27%, or 55 students, at a school ordered pizza. How many students are at that school?
