Adding Whole Tens

📚 Grade 1⭐ easy📄 20 problems

Mental math practice for adding whole tens (e.g., 20 + 30). Great foundation for 1st and 2nd graders.

Worksheet Preview

47 + 17 = ____

39 + 10 = ____

50 + 90 = ____

40 + 77 = ____

35 + 86 = ____

30 + 31 = ____

68 + 37 = ____

74 + 57 = ____

53 + 45 = ____

57 + 35 = ____

90 + 21 = ____

19 + 72 = ____

18 + 44 = ____

73 + 44 = ____

81 + 71 = ____

39 + 81 = ____

14 + 82 = ____

10 + 82 = ____

21 + 14 = ____

23 + 30 = ____

About This Worksheet

This free printable adding whole tens is perfect for Grade 1 who are learning addition. Each worksheet contains 20 carefully designed problems to help students practice and master their addition skills.

All worksheets include a complete answer key, making them ideal for teachers, parents, and homeschoolers. Simply download the PDF and print as many copies as you need - it's completely free!