The Changes to Land Over Time

Understand place value

by Yuxin Lin

CCSS.MATH.CONTENT.2.NBT

​What does it mean?

• ​Understand place value. (2-ESS1-1)

• Place value refers to the value of the digit based on each box. For example, the first box from the right is ones, and the second box is tens. Understanding the place value of digits in numbers can help students count the number easier.​

Common Core Math - 2.NBT.1

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Open Ended

The Number that we have is 826. Can you write the number in expanded form.

Multiple Choice

What is the value of the underlined digit?

1357

• Ones

• Tens

• Hundreds

• Thousands

Fill in the Blank

Write number in standard form.