Mental Maths Worksheet for Class 5

Mental Maths Worksheet for Class 5

CREST Olympiads
CREST Olympiads

The Mental Maths worksheet for class 5 typically includes some common topics i.e addition, subtraction, multiplication, division, fractions, etc. This worksheet provides students with opportunities to practice and improve their Mental Math skills in a variety of real-life situations.

Overall, Mental Math worksheet for class 5 plays an important role in helping students develop strong number sense and mathematical fluency. With regular practice, students will be able to perform complex mathematical operations with ease, making it easier for them to tackle challenging math problems in the future. We recommend students to practice following Mental Maths questions for class 5.

crest-edufund-mental-maths-olympiad

Mental Maths Worksheet for Class 5

1. What is the sum of 36 and 49?

a) 75
b) 85
c) 95
d) 105

Answer: b) 85

Explanation: 36 + 49 = 85

2. What is the difference between 55 and 34?

a) 21
b) 19
c) 15
d) 11

Answer: a) 21

Explanation: 55 - 34 = 21

3. What is the product of 8 and 9?

a) 72
b) 68
c) 63
d) 59

Answer: a) 72

Explanation: 8 x 9 = 72

4. What is the quotient of 100 divided by 10?

a) 10
b) 11
c) 15
d) 20

Answer: a) 10

Explanation: 100 ÷ 10 = 10

5. Balance the equation: 4 + x = 9.

a) x = 5
b) x = 3
c) x = 6
d) x = 7

Answer: a) x = 5

Explanation: 9 - 4 = 5, therefore x = 5.

6. Which of the following is a 3-dimensional shape?

a) Triangle
b) Circle
c) Cube
d) Square

Answer: c) Cube

Explanation: A cube is a 3-dimensional shape that has 6 faces, 8 vertices and 12 edges.

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 cm³

Answer: b) 216 cm³

Explanation: The volume of a cube can be calculated by cubing the side length, which is 6 cm. So, 6 x 6 x 6 = 216 cm³.

8. What is the weight of 2 kilograms of apples in grams?

a) 2 kg
b) 20 kg
c) 2000 g
d) 4000 g

Answer: c) 2000 g

Explanation: The weight of 2 kilograms of apples is 2000 grams, which is the unit of measure.

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 kg

Answer: a) 3 kg

Explanation: If one bag of sugar weighs 1 kilogram, then 3 bags of sugar would weigh 3 kilograms.

10. How many millilitres are there in 1 litre?

a) 500 ml
b) 1000 ml
c) 5000 ml
d) 500000 ml

Answer: b) 1000 ml

Explanation: The number of millilitres in 1 litre is still 1000 millilitres, which is the unit of measure.

crest-reasoning-workbook

11. What is 1/2 of 20?

a) 10
b) 5
c) 15
d) 20

Answer: a) 10

Explanation: To find 1/2 of 20, divide 20 by 2, which equals 10.

12. What is the equivalent fraction for 3/4?

a) 6/8
b) 9/2
c) 4/6
d) 12/16

Answer: a) 6/8

Explanation: To find the equivalent fraction for 3/4, multiply the numerator and denominator by the same number, such as 2. 3 x 2 = 6 and 4 x 2 = 8. Therefore, the equivalent fraction for 3/4 is 6/8.

13. What is 30% of 50?

a) 15
b) 25
c) 35
d) 45

Answer: a) 15

Explanation: To find 30% of 50, multiply 50 by 0.30, which equals 15.

14. What is the ratio of 10 to 20?

a) 1:2
b) 2:1
c) 5:10
d) 10:5

Answer: a) 1:2

Explanation: The ratio of 10 to 20 can be simplified by dividing both numbers by the same number, 10/20 = 1:2. Therefore, the ratio of 10 to 20 is 1:2.

15. What is the mean of the following set of numbers: 5, 8, 9, 11, 12?

a) 9
b) 8
c) 10
d) 11

Answer: a) 9

Explanation: The mean is found by adding all the numbers and dividing by the number of items. (5 + 8 + 9 + 11 + 12) ÷ 5 = 45 ÷ 5 = 9.

16. What is the median of the following set of numbers: 7, 9, 11, 13, 15?

a) 11
b) 12
c) 13
d) 14

Answer: a) 11

Explanation: The median is the middle number in a set of numbers. When ordered, the numbers are 7, 9, 11, 13, 15, making 11 the median.

17. What is the range of the following set of numbers: 4, 7, 9, 11, 14?

a) 10
b) 11
c) 3
d) 5

Answer: a) 10

Explanation: The range is the difference between the largest and smallest numbers in a set. 14 - 4 = 10.

18. What is the mode of the following set of numbers: 5, 7, 9, 9, 11?

a) 9
b) 5
c) 7
d) 11

Answer: a) 9

Explanation: The mode is the number that appears most often in a set of numbers. 9 appears twice, making it the mode.

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 pm

Answer: a) 7:00 pm

Explanation: If the store is open for 10 hours, it will close 10 hours after it opens. 9:00 am + 10 hours = 7:00 pm. However, because it opens at 9:00 am, it will actually close at 7:00 pm.

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 minutes

Answer: a) 30 minutes

Explanation: Travelling to the park takes 15 minutes, and travelling back takes another 15 minutes, for a total of 15 + 15 = 30 minutes.

crest-mathematics-olympiad

Solve!!!

1. What is the mean of the following numbers: 4, 8, 9, 2, 5?

a) 5
b) 6
c) 7
d) 8

2. What is the median of the following numbers: 7, 5, 8, 9, 6?

a) 6
b) 7
c) 8
d) 9

3. What is the range of the following numbers: 9, 5, 7, 4, 8?

a) 4
b) 5
c) 6
d) 7

4. What is the mode of the following numbers: 5, 8, 4, 9, 5?

a) 4
b) 5
c) 8
d) 9

5. What is the time in hours if it takes 60 minutes to complete a task?

a) 0.5 hours
b) 1 hour
c) 1.5 hours
d) 2 hours

6. What is the area of a triangle with a base of 5 cm and a height of 6 cm?

a) 10 cm²
b) 15 cm²
c) 30 cm²
d) 45 cm²

7. What is the volume of a sphere with a radius of 4 cm?

a) 16π cm³
b) 32π cm³
c) 64π cm³
d0 128π cm³

8. What is the cost of 5 items if each item costs $2?

a) $10
b) $12
c) $15
d) $20

9. What is the weight of an object that weighs 20 kg and is converted to grams?

a) 20000 g
b) 2000 g
c) 200 g
d) 20 g

10. What is the volume of a cylinder with a height of 7 cm and a radius of 3 cm?

a) 63π cm³
b) 84π cm³
c) 147π cm³
d) 294π cm³

Answers

1. b) 6
2. b) 7
3. a) 4
4. b) 5
5. b) 1 hour
6. b) 15 cm²
7. c) 64π cm³
8. a) $10
9. a) 20000 g
10. b) 84π cm³

crest-mathematics-workbook

Mental Maths Worksheet PDF for Class 5

Mental Maths worksheet PDF for class 5 is easily accessible here and offers various different levels of questions with solutions to make learning more effective for students.

This worksheet helps students to practice and improve their Mental Maths skills on a daily basis. Mental Maths worksheet for class 5 comes with an answer key, making it easy for students to check their work and evaluate their progress. It also helps students to identify areas where they need to improve and work on them.

Students can practice and sharpen their skills by downloading class 5 Mental Maths worksheet for free. The following is the link to the download pdf for class 5 Mental Maths Worksheet.

Download PDF for Mental Maths Worksheet for Class 5

crest-reasoning-olympiad

You Might Also Like

  1.  Values of Square Roots from 1 to 30
  2.  Values of Squares from 1 to 30
  3.  Values of Cubes from 1 to 20
  4.  Tables from 2 to 20
  5.  Multiplication Tables

Related Articles

70%