Practice Questions on Decimals

Q1. What is the result of adding 3.25 and 6.75?

Q2. Subtract 2.8 from 5.6.

Q3. Multiply 0.5 by 7.

Q4. Divide 9.6 by 3.

Q5. Calculate 3/4 of 8.

Q6. John has $25.50. He spends $12.75 on a gift and $6.25 on lunch. How much money does he have left?

Q7. A swimming pool is 10.75 meters long and 5.25 meters wide. What is the perimeter of the pool?

Q8. Samantha has 2.5 liters of juice. She pours 0.75 liters into one glass and 0.5 liters into another glass. How much juice is left?

Q9. A bakery sells cakes for $8.25 each. If Sarah buys 3 cakes, how much does she spend in total?

Q10. A train travels at an average speed of 60.5 kilometers per hour for 4.25 hours. How far does it travel?

Q11. A store offers a discount of 20% on a shirt priced at $35. What is the discounted price of the shirt?

Q12. A rectangle has a length of 8.25 meters and an area of 33 square meters. What is the width of the rectangle?

Q13. A bookshelf has 5 shelves, each 1.5 meters wide. What is the total width of the bookshelf?

Q14. A restaurant bill comes to $45.75. If the tip is 15% of the bill, how much is the tip?

Q15. A DVD player is priced at $99.95. If a customer pays with a $100 bill, how much change does the customer receive?

Decimal is a numerical representation that uses a dot, which we call a decimal point, to separate the whole number part from its fractional part. The decimal numeral system is used as the standard system that is used to distinguish integer and non-integer numbers. In this series of practice questions, we’ll explore the fundamentals of decimals, including their definition, types, and applications.