Add a number

This task is about adding numbers.
Georgia was using her calculator.

 
example of the type of question and how to answer

Question

a)   What does Georgia have to add to the number to get the answer?
 
Number:  number: 608 Answer:  number 678
 
Georgia has to add:  (select one)
    • 7

    • 8

    • 10

    • 70

    • 700

Question

b)   What does Georgia have to add to the number to get the answer?
 
Number:  number: 600 Answer:  number 605
Georgia has to add:  (select one)
    • 0

    • 5

    • 10

    • 50

    • 100

Question

c)   What does Georgia have to add to the number to get the answer?
 
Number:  number: 785 Answer:  number 985
Georgia has to add:  (select one)
    • 2

    • 20

    • 80

    • 100

    • 200

Question

d)   What does Georgia have to add to the number to get the answer?
 
Number:  number: 253 Answer:  number 293
Georgia has to add:  (select one)
    • 4

    • 10

    • 40

    • 90

    • 400