Syvum Home Page

Home > Quiz Games > Math

Mathematics Activity :
Composite Numbers and Prime Numbers

Quick Reference      
Type your answers in the input boxes below.

Formats Worksheet / Test Paper Quiz Review
Fill in the blanks

Your Performance  

What is the sum of the prime numbers coming immediately before and after 50?

100


1.

How many pairs of prime numbers are there to express 20 as the sum of two prime numbers?
 

2.

Two prime numbers whose difference is 2 are called twin prime numbers, e.g., 3 and 5. How many twin prime numbers are there between 50 and 100?
 

3.

How many prime numbers are there from 30 to 50?
 

4.

How many prime numbers are there between 50 and 100?
 

5.

How many pairs of prime numbers are there to express 24 as the sum of two prime numbers?
 

6.

What is the sum of the prime numbers coming immediately before and after 71?
 

7.

How many pairs of prime numbers are there to express 18 as the sum of two prime numbers?
 


 
5 more pages in Math Problems & Quiz Games


Contact Info © 1999-2019 Syvum Technologies Inc. Privacy Policy Disclaimer and Copyright
Previous
-
Next
-