Write Three-Digit Numbers In Unit Form

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

Worksheets for Grade 2

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 numbers written in standard form, unit form, word form and expanded form. Scroll down the page if you need more explanations and worksheets about unit form.

 

• Printable & Place Value Worksheets for Second Grade

  Hundreds, Tens, Ones (eg. __ = 500 + 30 + 6)
  Expanded Form (up to hundreds)
  

  Round to nearest 10 (3-digit) (eg. 725 -> 730)
  Round to nearest 100 (3-digit) (eg. 651 -> 700)
  Round to nearest 10 or 100 (3-digit)
  

Lesson 5 Concept Development

Guide students through the following sequence of activities.

• Model numbers in the place value boxes.
• Students represent them with their place value cards.
• Students say the number in word form and unit form.

Lesson 5 Exit Ticket

1. Look at the place value cards. What is the value of the 6?
2. What is another way to write 5 ones 3 tens 2 hundreds?
3. What is another way to write 6 tens 1 hundred 8 ones?
4. Write 905 in unit form.

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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

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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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