Mental Maths Quiz For Classroom Assistants Assessment for Maths

1. What is 9:30 pm using the 24 hour clock?

21:30

20:15

22:00

just add 12

Explanation

just add 12

2. How many degrees are in a right angle?

80

60

90

A right angle is a 90-degree angle. It is formed when two lines intersect and create a square corner. In geometry, a right angle is considered a fundamental angle measurement, and it is one-fourth of a full rotation or a complete circle, which is 360 degrees. Therefore, the correct answer is 90.

Explanation

A right angle is a 90-degree angle. It is formed when two lines intersect and create a square corner. In geometry, a right angle is considered a fundamental angle measurement, and it is one-fourth of a full rotation or a complete circle, which is 360 degrees. Therefore, the correct answer is 90.

3. What is a 1/4 as a percentage ?

60%

50%

25%

1/4 x 100

Explanation

1/4 x 100

4. What is 50% as a fraction?

1/2

3/4

2/3/

The correct answer is 1/2 because 50% can be written as a fraction by dividing 50 by 100. When simplified, 50/100 becomes 1/2.

Explanation

The correct answer is 1/2 because 50% can be written as a fraction by dividing 50 by 100. When simplified, 50/100 becomes 1/2.

5. What is 3 sguared?

9

12

15

The question is asking for the square of 3. The square of a number is found by multiplying the number by itself. In this case, 3 multiplied by 3 equals 9. Therefore, the correct answer is 9.

Explanation

The question is asking for the square of 3. The square of a number is found by multiplying the number by itself. In this case, 3 multiplied by 3 equals 9. Therefore, the correct answer is 9.

6. How amny weeks are in a year?

12

52

36

There are 52 weeks in a year. A week consists of 7 days, and there are 365 days in a non-leap year. When we divide 365 by 7, we get 52 weeks with 1 day left over. Therefore, there are 52 complete weeks in a year.

Explanation

There are 52 weeks in a year. A week consists of 7 days, and there are 365 days in a non-leap year. When we divide 365 by 7, we get 52 weeks with 1 day left over. Therefore, there are 52 complete weeks in a year.

7. A hexagon has how many sides?

5

6

8

A hexagon is a polygon with six sides. Therefore, the correct answer is 6.

Explanation

A hexagon is a polygon with six sides. Therefore, the correct answer is 6.

8. What is 20 digrees Celsius in Fahrenheit?

60

68

40

20 degrees Celsius is equal to 68 degrees Fahrenheit. This conversion can be done using the formula: Fahrenheit = (Celsius * 9/5) + 32. By substituting the value of 20 degrees Celsius into the formula, we get (20 * 9/5) + 32 = 36 + 32 = 68 degrees Fahrenheit.

Explanation

20 degrees Celsius is equal to 68 degrees Fahrenheit. This conversion can be done using the formula: Fahrenheit = (Celsius * 9/5) + 32. By substituting the value of 20 degrees Celsius into the formula, we get (20 * 9/5) + 32 = 36 + 32 = 68 degrees Fahrenheit.