Online reading & math for K-5 © www.k5learning.com

Mental math: adding two 2-digit numbers(no carrying)Grade 4 Addition WorksheetFind the sum.1. 35 + 51 = 2. 12 + 55 =

3. 19 + 30 = 4. 51 + 22 =

5. 38 + 20 = 6. 29 + 0 =

7. 53 + 15 = 8. 4 + 1 =

9. 30 + 19 = 10. 83 + 11 =

11. 59 + 20 = 12. 47 + 30 =

13. 15 + 42 = 14. 60 + 26 =

15. 88 + 11 = 16. 33 + 54 =

17. 55 + 22 = 18. 19 + 70 =

19. 30 + 30 = 20. 53 + 20 =

Online reading & math for K-5 © www.k5learning.com

Mental math: adding two 2-digit numbers(no carrying)Grade 4 Addition WorksheetFind the sum.1. 35 + 51 = 86 2. 12 + 55 = 67

3. 19 + 30 = 49 4. 51 + 22 = 73

5. 38 + 20 = 58 6. 29 + 0 = 29

7. 53 + 15 = 68 8. 4 + 1 = 5

9. 30 + 19 = 49 10. 83 + 11 = 94

11. 59 + 20 = 79 12. 47 + 30 = 77

13. 15 + 42 = 57 14. 60 + 26 = 86

15. 88 + 11 = 99 16. 33 + 54 = 87

17. 55 + 22 = 77 18. 19 + 70 = 89

19. 30 + 30 = 60 20. 53 + 20 = 73