Mathematical Thinking Quiz #1

1. 

 

 

 

 

 

       
Circle the perfect square and identify its square root.    

        Square root ___________    

 

2.     Circle the number that is a perfect square and identify its

        square root.

       

                                12   18   25   32   40

 

                                Square root _____

 

3.     Here are four clues for a number puzzle:

 

-       The number is less than 200

-       One factor of the number is 6

-       The number is square

-                     The sum of the digits of the number is a multiple of 3.

 

A.               Which two numbers fit these four clues?

_______         _______

       

B.                Explain how you found the two numbers that fit the      

clues.

________________________________________________________________________________________________________________________________________________________________

4.     Mrs. Green wrote the following numbers on the board:

 

2      3     5     7

       

Which of the following generalizations can be made about  the numbers?

        ____       They are prime numbers

        ____       They are multiples of 70

        ____       They are odd numbers

        ____       They are factors of 70

 

5.     Which of following number sequences shows the first number being prime, the second a multiple of 4, and the third a square number?

 

          ____       7, 22, 15

                ____       9, 8, 25

                ____       3, 12, 20

                ____       11,32, 16