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Lesson ID: 107

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Expanded Form

Mathematics, Numbers and Numerations

Grade 1- 3



Objective

Children learn to write numbers in expanded form using words only, numbers only, and numbers and words.

Directions

Expanded Form Standard Form
Words Only Numbers & Words Numbers Only Standard
two hundred fifty three thousand, four hundred twelve 2 hundred
2 thousands
5 ten thousands
3 thousands
4 hundreds
1 ten
2 ones
200,000
50,000
3,000
400
10
2
(or)
200,000 + 50,000+
3,000 + 400 + 10+
2
253,412

Teaching the Lesson
Before beginning the work sheets, ask the children for another way to write the number 27. Show the children that 27 is the same as 2 tens 7 ones or 20 + 7 (or 27)
Have the children practice writing different 2-, 3-, 4-, and 5-digit numbers using the expanded form.
Go over the work sheets with the children. Remind the children to refer to the chart for help if needed.
Learning Tip
Make a photocopy of the chart for each student to keep as a reference tool.

Resources

  • 3 dice for each child
  • poster of the following math vocabulary chart
  • Expanded Form activity sheets
  • pencils