Free Addition Worksheets
Printable addition worksheets for all grades. Practice single-digit to multi-digit addition with 20 problems ranging from easy to challenging.
Standards: Common Core: K.OA.A.1, 1.OA.A.1, 2.NBT.B.7
Instructions: Solve each addition problem and write the answer on the line.
Problems
1.
2 + 3 = ___
2.
4 + 1 = ___
3.
6 + 3 = ___
4.
5 + 7 = ___
5.
8 + 9 = ___
6.
14 + 23 = ___
7.
35 + 42 = ___
8.
57 + 38 = ___
9.
64 + 79 = ___
10.
123 + 456 = ___
11.
245 + 378 = ___
12.
519 + 284 = ___
13.
Tom has 15 red marbles and 23 blue marbles. How many marbles does he have in total?
14.
768 + 195 = ___
15.
1,234 + 567 = ___
16.
3,456 + 2,789 = ___
17.
A library has 1,452 fiction books and 987 non-fiction books. How many books are there altogether?
18.
4,823 + 3,679 = ___
19.
9,105 + 6,897 = ___
20.
A school collected 2,318 cans in October and 3,475 cans in November. How many cans did they collect in both months?
Answer Key
1. 5
2. 5
3. 9
4. 12
5. 17
6. 37
7. 77
8. 95
9. 143
10. 579
11. 623
12. 803
13. 38
14. 963
15. 1,801
16. 6,245
17. 2,439
18. 8,502
19. 16,002
20. 5,793