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Unit 5 - Lesson 5 - Grade 2: Illustrative Mathematics

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21 Questions
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Grade 2 Unit 5
Lesson 5: Expanded Form of Numbers
CC BY 2021 Illustrative Mathematics®
Grade 2 Unit 5
Lesson 5: Expanded Form of Numbers
CC BY 2021 Illustrative Mathematics®
Lesson: Expanded Form of Numbers

True or False: Value of Digits (Warm Up)

Decide if each statement is true or false. Be prepared to explain your reasoning.

Expressions and Three-digit Numbers

Andre has 3 hundreds. Tyler has 5 tens. Mai has 7 ones. They want to represent the amount they have using an equation.

Write an expression to represent the sum of their values.
_______ + _______ + _______

Write the total value as a three-digit number:

Write each number as the sum of hundreds, tens, and ones, and as a three-digit number.

Expanded form:_______

Three-digit number:_______

Expanded form:_______

Three-digit number:_______

Expanded form:_______

Three-digit number:_______

Expanded form:_______

Three-digit number:_______

Make It and Expand It

Roll the number cubes.

Make the largest number possible.

Write it as a three-digit number.

Write it in expanded form.

Roll the number cubes.

Make the largest number possible.

Write it as a three-digit number.

Write it in expanded form.

Roll the number cubes.

Make the largest number possible.

Write it as a three-digit number.

Write it in expanded form.

Cool Down: Three-digit Numbers in Expanded Form

Represent the number 375 as the sum of hundreds, tens, and ones.

Expanded form:

Represent 200 + 40 + 7 as a three-digit number.

Three-digit number: