If student take interest to find solution of math given problems, they can improve their mental ability.
1. Write five prime numbers between 50 and 75.
Solution: 53, 59, 61, 67, 71
2. Every prime number is odd except
Solution: 2
3. What should be added to 40.09 to make it 51 dollars?
Solution: 10.91 dollars
Math is the ability to perform arithmetic calculations without the help or aid of external computing tools. Math test require more & more background knowledge & ability in math basic skills.