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Skills Covered

  • Understand the value of each digit
  • Count groups of tens and ones
  • Represent numbers in different forms
  • Build number sense for multi-digit numbers
  • Connect visual models to numerals
  • Strengthen place value understanding

How to Use This Worksheet

Counting tens and ones blocks to find two-digit numbers from 10 to 100. Students count the groups in each picture and connect the blocks to the number and the value of each digit.

Tips for Success

  • Use physical base-ten blocks alongside the worksheet
  • Have students say the number in expanded form aloud
  • Point out patterns in how tens and ones combine
  • Check that students count each block type separately before combining

Common Core Standards Alignment

This worksheet supports the following Common Core State Standards for Mathematics:

  • 1.NBT.B.2a See a group of ten ones as one unit called a ten.
  • 1.NBT.B.2c Know that 10, 20, 30 and so on up to 90 mean 1 to 9 tens with no ones.

© Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.

Base-Ten Blocks 10 to 100

1st – 2nd Grade

Counting tens and ones blocks to find two-digit numbers from 10 to 100. Students count the groups in each picture and connect the blocks to the number and the value of each digit.

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What’s Included

  • 5 worksheet pages
  • Answer keys included
  • Grade level: 1st - 2nd
  • Category: Place Value
  • Print-ready PDF format
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