Dice games

This task is about finding the sum of 3 numbers.
illustration: three dice
Some friends are playing a game.  They throw 3 dice and add the numbers to get the sum.

Question 1Change answer

 
a)  Tama rolls ... 
     dice with 3 dots  dice with 2 dots  dice with 4 dots
     What is the sum? 

Question 1Change answer

 
b)  Shane rolls ...
dice with 5 dots  dice with 3 dots  dice with 5 dots
     What is the sum? 

Question 1Change answer

 
c)  Jess rolls ...
dice with 6 dots  dice with 2 dots  dice with 4 dots
     What is the sum? 

Question 1Change answer

 
d)  Sarai rolls ...
dice with 5 dots  dice with 6 dots  dice with 6 dots
     What is the sum?