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2nd Grade Math
5. 2.NBT.A.1
5.2 Matching place value models to numbers
Matching Place Value Models to Numbers
Learn how to read place value blocks, hundred flats, ten rods, and one units, and match them to the numbers they represent.
What You'll Learn
Identify a hundred flat as worth \(100\), a ten rod as worth \(10\), and a one unit as worth \(1\)
Count each block type separately before combining them into a single number
Apply the place value sum \(H \times 100 + T \times 10 + O\) to turn block counts into a number
Recognize that a missing block type still counts as zero for that place value
Compare two block models to decide which one matches a given number
Check your answer by rebuilding the number from its blocks and reading it back
What You'll Practice
1
Writing three-digit numbers shown by place value blocks
2
Counting hundreds, tens, and ones blocks to form numbers
3
Matching visual block models to their numerical values
Why This Matters
Understanding place value blocks builds your number sense foundation for all future math. This skill helps you visualize how numbers work, making addition, subtraction, and even multiplication much easier to understand and perform.
This Unit Includes
Practice exercises
Learning resources
Skills
Place Value
Base-Ten Blocks
Number Sense
Three-Digit Numbers
Visual Models

OH Curriculum Aligned