Q1. Write your name

Use the column method for addition and subtraction to solve the following questions.

Q3. 196 - 30 =

Q4. 241 + 40 =

Q5. 511 - 10 =

Q6. 725 + 50 =

Q7. 60 + 927 =

Q8. 487 - 70 =

Q9. Here is a subtraction. 487 – 50 = 482 What mistake has been made?

Q10. Here is a calculation with three missing digits. 726 + ?0 - ?0 = 7?6 All the missing digits are different. What could the calculation be? How many calculations can you find?