Question

Select the correct answer.
Ronald spins a spinner that has 10 sections numbered from 1 to 10. What is the probability that the spinner lands on a prime number?
A. 1/10

B. 2/10

C. 2/5

D. 1/2

Answer 1

What do you think?

Answer 2

B

Answer 3

No

Answer 4

D ?

Answer 5

Ok so how many prime numbers are there up to ten

Answer 6

ok

Answer 7

She was asking you a question

Answer 8

Again- How many prime number are there between 1 and 10?

Answer 9

3

Answer 10

Reminder: Prime numbers are numbers that have more than 2 factors (more than just 1 and itself)
such as -> 13

Answer 11

Ok No not 3 but close. which 3 do you have?

Answer 12

4

Answer 13

Hmm- Again- which prime numbers do you have? And yes the answer is there are 4 prime numbers between one and 10

Now If you look back at the answer choices you notice that you don't see a 4/10
Look and see if you see the simplified version.

Answer 14

umm C?

Answer 15

wait no B

Answer 16

C is the correct answer because 4/10 simplified is 2/5

~remember to always simplify the numerator and then denominator and not just one or the other~

Answer 17

ok thanks for your help

Answer 18

have a nice day