Instructions
In this worksheet, you will practice adding and subtracting 3-digit and 4-digit numbers. Read each question carefully and show your work!
Part A: Addition
1. Calculate the sum of the following numbers:
234 + 567 =
1,245 + 3,678 =
4,512 + 2,389 =
136 + 897 =
Part B: Subtraction
2. Calculate the difference of the following numbers:
876 - 432 =
5,432 - 2,198 =
2,000 - 1,345 =
750 - 289 =
Part C: Word Problems
3. Read the word problem below and answer the questions:
A school has 1,245 books in the library. They received a donation of 567 new books. After giving away 350 old books, how many books do they have now?
a. How many books did they have after receiving the donation?
b. How many books are left after giving away the old ones?
Part D: Challenge!
4. Create your own addition and subtraction problems using any 3-digit or 4-digit numbers. Write them below along with their answers!
Problem 1: =
Problem 2: =