Number Ninjas 2020 ( 6th and 7th

Question 1

What is the volume of a cube with the dementions of 6, 6, 6 ?

Accepted Answer

216

Question 2

Which are integers?

Accepted Answer

17

Question 3

What is the median for this set of data: 4, 3, 5, 6, 3

Accepted Answer

4

Question 4

Solve the equation. 6 ( x - 2 ) = -24

Accepted Answer

x = -2

Question 5

Which of the following numbers is NOT a perfect square?

Accepted Answer

2

Question 6

Which of these list of numbers are all prime numbers?

Accepted Answer

5, 17, 19

Question 7

During which time interval was the driver’s average speed the least?

Accepted Answer

Between 8 – 10 hours

Question 8

-12 - 6

Accepted Answer

-18

Question 9

Which of the following are true regarding multiplying and dividing integers?

Accepted Answer

all of the above

Question 10

The LCM of 10 and 8 is:

Accepted Answer

40

Question 11

The square root of 32 is between the numbers:

Accepted Answer

None of the alternatives

Question 12

Find the mean for the following football statistics. 6, 8, 9, 5.

Accepted Answer

7

Question 13

If 20 Grade 6 students were asked what their favourite drink was, how many students like juice?

Accepted Answer

5

Question 14

(3.14+6.73)-4.6

Accepted Answer

5.27

Question 15

The mean is 6. The data values are 3, 6, 7, and x. What is x?

Accepted Answer

x = 8

Question 16

How do you find the square root of a number

Accepted Answer

find the number that multiplies it by itself

Question 17

Find the missing probability

Accepted Answer

0.3

Question 18

A hexagon has _____ sides.

Accepted Answer

6

Question 19

What is the probability of getting a 6 when rolling a regular number cube?

Accepted Answer

1/6

Question 20

-2 -5 + 6

Accepted Answer

-1

Questions 20