Name________________________

 

PERCENT OF A NUMBER – 5 | KEY

 

 

Directions:  For the problems below, find the missing number.  You can try using mental math or division. 

 

Examples:         10 is 40% percent of what number?    ____                              30 is 25% of what number?    ____                                                     

                                                                                                                           

                                                                                                          

                        So, 10 is 40% of 25                                                                 So, 30 is 25% of 120                          

                                                                                                           

                                                                                                                                   

 

                       

         

1)     10 is 25% of what number?        __40                 2)     30 is 40% of what number?       __75

 

 

 

3)     20 is 25% of what number?        __80                 4)     20 is 40% of what number?       __50

 

 

 

5)     30 is 50% of what number?        __60                 6)     15 is 75% of what number?       __20

 

 

 

7)     5 is 20% of what number?        __25                   8)     12 is 60% of what number?       __20

 

 

 

9)     8 is 10% of what number?        __80                   10)   30 is 10% of what number?       __300

 

 

 

11)     25 is 25% of what number?        __100  12)   9 is 75% of what number?       __12

 

 

 

13)     10 is 10% of what number?        __100  14)  50 is 20% of what number?       __250

 

 

 

15)     48 is 80% of what number?        __60                16)   27 is 90% of what number?       __30