Adding Tens
A free printable adding tens worksheet with an answer key. Add the tens. Think: 3 tens + 4 tens = 7 tens. Perfect for 2nd grade addition practice at home or in class.
- Size
- US Letter (8.5 × 11 in), fits A4
- 2 pages: the worksheet and its answer key
- Level
- Grade 2
- License
- Free for personal & classroom use
About this worksheet
A free printable adding tens worksheet with an answer key. Add the tens. Think: 3 tens + 4 tens = 7 tens. It fits second grade, around ages 7 to 8. Use small objects like buttons or cereal to check tricky problems.
On this sheet
24 problems, starting with 30 + 70, 70 + 10, 30 + 60, 70 + 40, 10 + 90, 40 + 30, 20 + 40, 80 + 50, 50 + 50, 60 + 40, 90 + 50, 40 + 10, 50 + 60, 80 + 70, and 10 more. The answers to all of them are on page 2.
Tips for using it
- Count rods by tens first, then add the ones.
- Say the number in tens and ones: 47 is 4 tens and 7 ones.
- Have your child say each fact out loud while writing the answer.
- Teach the make-10 trick early: 8 + 5 is the same as 8 + 2 + 3 = 13.
Printing tips
Download the PDF and print at 100% (or “fit to page” on A4). Page 1 is the worksheet and page 2 is the answer key with the answers in red; print just page 1 if you want to keep the answers for checking. The PNG shows page 1 only. Free for personal, family and classroom use.
