Writing equations

This task is about writing equations.
Fill in the boxes to complete each equation which describes the word problem.

Question 1Change answer

a)  Rose is playing darts.
She needs a total score of 40 points to win the game and her score is already 27 points.
Complete the equation, where x is the score Rose needs to get on her next throw to win the game.
 
      +   x   =   

Question 1Change answer

b)  Anaru has $385 in his savings account.
After he buys some old CDs worth $17 each he has $300 left in his account.
Complete the equation, where n is the number of old CDs Anaru bought.
 
        — (      ×   n )  =    

Question 1Change answer

 
c)  George makes wooden puzzles and sells them on the Internet. 
The cost of each puzzle is $6 for materials and $20 for labour. It costs $12 to have an order posted out.
You have $350 to spend.
Complete the equation below to show n, the number of puzzles you can buy for $350. 
 
    n  ×   ( + )    +      =