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Write three-digit Numbers in Unit Form

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Common Core Math Resources, Lesson Plans & Worksheets for all grades,
Common Core Math Lessons, Math Worksheets & Games for Grade 2,
Common Core Math Lessons, Math Worksheets & Games for all grades

Videos, examples, and solutions to help Grade 2 students learn how to write base ten three-digit numbers in unit form; show the value of each digit.

Common Core Standards: 2.NBT.3, 2.NBT.1

New York State Common Core Math Grade 2, Module 3, Lesson 5

Download the Worksheets for Grade 2, Module 3, lesson 5 (pdf)

NYS Math Module 3 Grade 2 Lesson 5

How to write a number in unit form?
The number 234 is written as 2 hundreds, 3 tens, 4 ones in unit form.

The following table gives some examples of standard form, unit form, word form and expanded form. Scroll down the page if you need more explanations and worksheets about unit form.
number form, unit form, word form, expanded form

Lesson 5 Homework
1. What is the value of the 7 in 764?
2. Make number bonds to show the hundreds, tens, and ones in each number. Then write the number in unit form.
a. 333

3. Draw a line to match unit form with number form.
1 hundred 1 one =
1 ten 1 one =
7 tens 1 one =
7 hundreds 1 one =
1 hundred 1 ten =
7 hundreds 1 ten =

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