mental maths#

Question 1

What is 7 + 8?

Answer 1

15

Question 2

What is 12 - 5?

Answer 2

7

Question 3

True or False: 9 x 3 equals 27.

Answer 3

True

Question 4

Fill in the blank: 15 divided by 3 equals ____.

Answer 4

5

Question 5

What is 25 + 36?

Answer 5

61

Question 6

What is 100 - 47?

Answer 6

53

Question 7

What is 6 x 7?

Answer 7

42

Question 8

True or False: The sum of angles in a triangle is 180 degrees.

Answer 8

True

Question 9

What is the next number in the sequence: 2, 4, 6, ____?

Answer 9

8

Question 10

What is 64 divided by 8?

Answer 10

8

Question 11

What is 9 squared?

Answer 11

81

Question 12

Fill in the blank: 18 - ____ = 10.

Answer 12

8

Question 13

What is the perimeter of a square with sides of length 5?

Answer 13

20

Question 14

What is 15% of 200?

Answer 14

30

Question 15

What is 3.5 + 2.1?

Answer 15

5.6

Question 16

True or False: 50 is an even number.

Answer 16

True

Question 17

What is the value of x if 5x = 25?

Answer 17

5

Question 18

What is 4 x 9?

Answer 18

36

Question 19

Fill in the blank: The area of a rectangle is calculated by multiplying ____ and ____.

Answer 19

length and width

Question 20

What is 120 divided by 6?

Answer 20

20

Question 21

What is the next number in the sequence: 5, 10, 15, ____?

Answer 21

20

Question 22

What is 8 + 12?

Answer 22

20

Question 23

True or False: A hexagon has six sides.

Answer 23

True

Question 24

What is 14 - 9?

Answer 24

5

Question 25

What is 3 x 3 x 3?

Answer 25

27

Question 26

Fill in the blank: The sum of 45 and 55 is ____.

Answer 26

100

Question 27

What is the value of 7 x 8?

Answer 27

56

Question 28

True or False: The sum of the angles in a triangle is always 180 degrees.

Answer 28

True

Question 29

Fill in the blank: The perimeter of a rectangle is calculated by ______.

Answer 29

adding together all sides or using the formula 2(length + width)

Question 30

What is the area of a triangle with a base of 10 cm and a height of 5 cm?

Answer 30

25 cm²

Question 31

Multiple choice: What is 15% of 200? A) 30 B) 25 C) 20 D) 15

Answer 31

A) 30

Question 32

What is the next prime number after 7?

Answer 32

11

Question 33

True or False: A square is a type of rectangle.

Answer 33

True

Question 34

What is the formula for calculating the circumference of a circle?

Answer 34

C = 2πr or C = πd

Question 35

Fill in the blank: The median is the middle value in a set of ______.

Answer 35

numbers when arranged in order

Question 36

What is 9 squared?

Answer 36

81

Question 37

Multiple choice: Which of the following is an irrational number? A) 4 B) 3.14 C) √2 D) 2

Answer 37

C) √2

Question 38

What do you call a polygon with 5 sides?

Answer 38

Pentagon

Question 39

True or False: 0 is a positive number.

Answer 39

False

Question 40

What is the greatest common factor (GCF) of 12 and 16?

Answer 40

4

Question 41

Fill in the blank: The ______ is the highest number in a set of data.

Answer 41

maximum

Question 42

What is the value of x in the equation 2x + 3 = 11?

Answer 42

4

Question 43

Multiple choice: Which operation would you use to find the total of 5, 10, and 15? A) Addition B) Subtraction C) Multiplication D) Division

Answer 43

A) Addition

Question 44

What is the least common multiple (LCM) of 3 and 4?

Answer 44

12

Question 45

True or False: The number 1 is considered a prime number.

Answer 45

False

Question 46

Fill in the blank: A right angle measures ______ degrees.

Answer 46

90

Question 47

What is 25% of 80?

Answer 47

20

Question 48

What is the formula for the area of a circle?

Answer 48

A = πr²

Question 49

Multiple choice: What is 100 divided by 4? A) 20 B) 25 C) 30 D) 35

Answer 49

B) 25

Question 50

What is the mode in the following set of numbers: 2, 3, 4, 4, 5?

Answer 50

4

Question 51

True or False: A cube has 6 faces.

Answer 51

True

Question 52

What is the first step in solving the equation 3x = 12?

Answer 52

Divide both sides by 3