Worksheet: Addition of Three-Digit Numbers

In this worksheet, we will practice adding two three-digit numbers.

Q1:

Calculate 6 7 6 + 9 9 .

Q2:

What is the sum of 171 and 311?

Q3:

6 4 7 + 2 8 4 = .

Q4:

Complete the table below.

Number + 1 + 1 0 + 1 0 0
888 889 898 988
867
  • A868, 878, 978
  • B868, 876, 967
  • C867, 877, 967
  • D868, 877, 967

Q5:

If a man who weighs 67 kg is riding a donkey that weighs 171 kg, what is the total of their weights?

Q6:

3 2 0 + 4 1 2 = .

Q7:

Complete the diagram below by following the arrows.

  • A200, 700, 700
  • B200, 600, 900
  • C200, 700, 800
  • D200, 700, 900
  • E200, 600, 800

Q8:

Which of the following is equal to 3 3 6 + 3 5 0 ?

  • A 3 3 6 + 5 4 8
  • B 3 3 6 + 1 3 8
  • C 3 5 0 + 5 4 8
  • D 5 4 8 + 1 3 8

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.