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Percents and Their Operations

Math ⇒ Number and Operations

Percents and Their Operations starts at 6 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Percents and Their Operations. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 9
A bank offers 5% interest per year. If you deposit $1,000, how much interest will you earn in one year?
A population decreased from 1,500 to 1,200. What is the percent decrease?
A population increased from 2,000 to 2,400. What is the percent increase?
A product is marked up by 40% from its cost price of $50. What is the selling price?
A bank offers 5% interest per year. If you deposit $1,000, how much interest will you earn in one year?
A population decreased from 1,500 to 1,200. What is the percent decrease?
A population increased from 2,000 to 2,400. What is the percent increase?
A price is increased by 10% and then decreased by 10%. Is the final price the same as the original price?
Which of the following is equal to 12%? (1) 0.12 (2) 1.2 (3) 0.012 (4) 12
Which of the following is NOT a correct way to write 60%? (1) 0.6 (2) 60/100 (3) 6 (4) 3/5
Which of the following is the correct formula to find the percent of a number? (1) (Part/Whole) × 100 (2) (Whole/Part) × 100 (3) (Part × Whole) × 100 (4) (Part + Whole) × 100
Which of the following is the correct way to convert a percent to a decimal? (1) Divide by 10 (2) Divide by 100 (3) Multiply by 10 (4) Multiply by 100
Fill in the blank: 0.08 is equal to ______%.
Fill in the blank: 0.2 is equal to ______%.
Fill in the blank: 120 is ______% of 400.
Fill in the blank: 30% of 80 is _______.
A price is increased by 10% and then decreased by 10%. Is the final price the same as the original price?
True or False: 0.25% is equal to 0.0025 in decimal form.
True or False: 0.5% is the same as 0.005 in decimal form.
True or False: 1% is equal to 0.01 in decimal form.