Printable Tens and Ones Worksheets
Printable tens and ones worksheets for 1st and 2nd grade, with an answer key on every sheet. The sets below cover 5 different skills, so you can start where your child actually is. Available as visual guides and speed drills.
Targeted Practice by Skill
About Tens and Ones
What this skill is
Tens and ones is the foundation of place value, understanding that 2-digit numbers are composed of tens and ones (e.g., 47 is 4 tens and 7 ones).
When children learn it
Tens and ones is taught in 1st grade and reinforced in 2nd grade, aligned to Common Core standard 1.NBT.B.2.
Teaching Tips
- Use physical base ten blocks to model 10 ones becoming 1 ten.
- Practice bundling loose objects into groups of 10.
Common Mistakes
- Writing digit place instead of digit value (writing 4 instead of 40).
- Confusing the tens digit and ones digit (writing 74 instead of 47).