Mental Maths Worksheet for Class 5: Mental Maths Worksheet for Class 5 is created to help students enhance their math skills through quick problem-solving exercises.
These worksheets include tasks such as addition, subtraction, multiplication, division, fractions and basic geometry, presented in a fun and engaging way. Students may solve questions like “Multiply 45 by 12” or “Find the perimeter of a rectangle with length 10 cm and width 5 cm.” By regularly practicing mental math, students can improve their accuracy, speed, and confidence in handling numbers, making math more enjoyable and less daunting.Related Links-
Q.1. What is the sum of 36 and 49?
a) 75
b) 85
c) 95
d) 105
Answer: b) 85
Explanation: 36 + 49 = 85Q.2. What is the difference between 55 and 34?
a) 21
b) 19
c) 15
d) 11
Answer: a) 21
Explanation: 55 - 34 = 21Q.3. What is the product of 8 and 9?
a) 72
b) 68
c) 63
d) 59
Answer: a) 72
Explanation: 8 x 9 = 72Q.4. What is the quotient of 100 divided by 10?
a) 10
b) 11
c) 15
d) 20
Answer: a) 10
Explanation: 100 ÷ 10 = 10Q.5. Balance the equation: 4 + x = 9.
a) x = 5 b) x = 3 c) x = 6 d) x = 7Answer: a) x = 5
Explanation: 9 - 4 = 5, therefore x = 5.Q.6. Which of the following is a 3-dimensional shape?
a) Triangle b) Circle c) Cube d) SquareAnswer: c) Cube
Explanation: A cube is a 3-dimensional shape that has 6 faces, 8 vertices, and 12 edges.Q.7. What is the volume of a cube with a side length of 6 cm?
a) 36 cm³ b) 216 cm³ c) 18 cm³ d) 12 cm³Answer: b) 216 cm³
Explanation: The volume of a cube is calculated by cubing the side length, 6 x 6 x 6 = 216 cm³.Q.8. What is the weight of 2 kilograms of apples in grams?
a) 2 kg b) 20 kg c) 2000 g d) 4000 gAnswer: c) 2000 g
Explanation: 1 kilogram = 1000 grams, so 2 kilograms = 2000 grams. Q.9. If a bag of sugar weighs 1 kilogram, how many bags of sugar weigh 3000 grams? a) 3 kg b) 0.33 g c) 0.5 kg d) 1.5 kgAnswer: a) 3 kg
Explanation: 3000 grams = 3 kilograms, so 3 bags of sugar weigh 3000 grams. Q.10. How many milliliters are there in 1 liter? a) 500 ml b) 1000 ml c) 5000 ml d) 500000 mlAnswer: b) 1000 ml
Explanation: 1 liter = 1000 milliliters. Q.11. What is 1/2 of 20? a) 10 b) 5 c) 15 d) 20Answer: a) 10
Explanation: 20 ÷ 2 = 10. Q.12. What is the equivalent fraction for 3/4? a) 6/8 b) 9/2 c) 4/6 d) 12/16Answer: a) 6/8
Explanation: Multiply both the numerator and denominator by 2, 3 x 2 = 6, 4 x 2 = 8, so 3/4 = 6/8. Q.13. What is 30% of 50? a) 15 b) 25 c) 35 d) 45Answer: a) 15
Explanation: 30% of 50 = 50 x 0.30 = 15. Q.14. What is the ratio of 10 to 20? a) 1:2 b) 2:1 c) 5:10 d) 10:5Answer: a) 1:2
Explanation: Simplify the ratio 10:20 to 1:2 by dividing both numbers by 10. Q.15. What is the mean of the following set of numbers: 5, 8, 9, 11, 12? a) 9 b) 8 c) 10 d) 11Answer: a) 9
Explanation: Mean = (5 + 8 + 9 + 11 + 12) ÷ 5 = 45 ÷ 5 = 9. Q.16. What is the median of the following set of numbers: 7, 9, 11, 13, 15? a) 11 b) 12 c) 13 d) 14Answer: a) 11
Explanation: The median is the middle number, which is 11. Q.17. What is the range of the following set of numbers: 4, 7, 9, 11, 14? a) 10 b) 11 c) 3 d) 5Answer: a) 10
Explanation: Range = 14 - 4 = 10. Q.18. What is the mode of the following set of numbers: 5, 7, 9, 9, 11? a) 9 b) 5 c) 7 d) 11Answer: a) 9
Explanation: Mode is the number that appears most often, which is 9. Q.19. A store is open for 10 hours each day. If it opens at 9:00 am, what time will it close? a) 7:00 pm b) 7:30 pm c) 8:00 pm d) 8:30 pmAnswer: a) 7:00 pm
Explanation: If the store opens at 9:00 am and operates for 10 hours, it closes at 7:00 pm. Q.20. If it takes 15 minutes to travel from school to the park, how long will it take to travel to the park and back to school? a) 30 minutes b) 45 minutes c) 60 minutes d) 75 minutesAnswer: a) 30 minutes
Explanation: 15 minutes to the park and 15 minutes back equals 30 minutes.Solve
Q.1. What is the mean of the following numbers: 4, 8, 9, 2, 5?Answer: b) 6
Explanation: (4 + 8 + 9 + 2 + 5) ÷ 5 = 28 ÷ 5 = 6 Q.2. What is the median of the following numbers: 7, 5, 8, 9, 6?Answer: b) 7
Explanation: Arranged in order: 5, 6, 7, 8, 9. The middle number is 7. Q.3. What is the range of the following numbers: 9, 5, 7, 4, 8?Answer: a) 4
Explanation: The range is 9 - 4 = 5. Q.4. What is the mode of the following numbers: 5, 8, 4, 9, 5?Answer: b) 5
Explanation: The number 5 appears twice, making it the mode. Q.5. What is the time in hours if it takes 60 minutes to complete a task?Answer: b) 1 hour
Explanation: 60 minutes equals 1 hour. Q.6. What is the area of a triangle with a base of 5 cm and a height of 6 cm?Answer: b) 15 cm²
Explanation: Area of a triangle = 1/2 × base × height = 1/2 × 5 × 6 = 15 cm². Q.7. What is the volume of a sphere with a radius of 4 cm?Answer: c) 64π cm³
Explanation: Volume of a sphere = 4/3 πr³. With r = 4 cm, the volume is 64π cm³. Q.8. What is the cost of 5 items if each item costs $2?Answer: a) $10
Explanation: 5 × $2 = $10. Q.9. What is the weight of an object that weighs 20 kg converted to grams?Answer: a) 20000 g
Explanation: 1 kg = 1000 grams, so 20 kg = 20,000 grams. Q.10. What is the volume of a cylinder with a height of 7 cm and a radius of 3 cm?Answer: b) 84π cm³
Explanation: Volume of a cylinder = πr²h. With r = 3 cm and h = 7 cm, the volume is 84π cm³.Mental Maths Worksheet PDF for Class 5