Place Value I
Unit Review Sheet
These facts and definitions should be mastered throughout this unit. This page can be used for periodic review and study as you are finishing the unit and in the future.
Facts and Definitions
Lesson 1: Two-Digit Place Value Review
- Place value: the value of a digit based on its position in a number
- Digits: the symbols 0 through 9 that are used to create numbers
- Ones place: the position on the right in a number
- Tens place: the position to the left of the ones place
- Even number: a number that can be divided into two equal groups and ends in 0, 2, 4, 6, or 8
- Odd number: a number that cannot be divided into two equal groups and ends in 1, 3, 5, 7, or 9
Lesson 2: Adding to 100
- Multiple of 10: a number that has 0 in the ones place and a digit other than 0 in the tens place; 10, 20, 30, 40, 50, 60, 70, 80, 90
Lesson 3: Addition Tricks!
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Lesson 4: Lots of Subtraction!
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Lesson 5: Place Value to 1000
- Hundreds place: position to the left of the tens place
- Thousand cube: base-10 block that represents one thousand
Lesson 6: More Practice With Numbers to 1000
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Lesson 7: Comparing Three-Digit Numbers
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Lesson 8: Skip Counting by 10 Within 1000
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Lesson 9: Fun With Big Numbers
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Final Project: Place Value Think-Tac-Toe
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