Base 10 Blocks Worksheets — Math Worksheets for 1st Graders
Counting, regrouping, decomposing, and adding with base-10 block diagrams.
4 topics, each with up to 15 printable worksheets and answer keys. Start with Counting Using Base 10 Block and work down the list, or jump to the skill your child needs.
Counting Using Base 10 Blocks
Read the two-digit number shown by a group of tens rods and ones cubes.
Regrouping into Blocks of 10
Regroup a pile of 10-29 loose ones cubes into tens and leftover ones.
Breaking a Number into Tens and Ones
Write the tens-and-ones breakdown shown by a group of blocks.
Addition with Base 10 Blocks
Add two groups of base-10 blocks shown side by side.
More 1st grade math worksheets
Number Charts & Counting, Comparing Numbers, Place Value, Addition, Subtraction, Measurement, Telling Time, Geometry, Data & Graphing