Unit 1. Understand Numbers and Operations

 

Chapter 1: Addition and Subtraction Concepts

• Addition Surprise
• Two Minute Warning
• + and -Tic-Tac-Toe
• MathAddition/Subtraction Relationship
• Subtraction/Addition Relationship
• Review of Subtraction Facts
• Subtraction Sentences - One Digit
• Batter's Up Baseball
• Everglades Safari
• Two-Minute Warning Addition
• Two Minute Warning Subtraction
• Subtracting Tens
• Subtracting Without Renaming
• Subtraction of Two Digit Numbers
• Subtracting with Mental Math
• Two Player Addition
• High-Rise Math
• Missing Addends
• Review of Addition Facts
• Adding Three Numbers
• Addition Sentences
• Addition of Tens
• Adding Two Digit Numbers Without Renaming
• Adding Vertically
• Saxon Math Online Drill
• Math Mayhem
• Spacey Math
• Math Baseball
• Black Dog's Addition Quiz
• Aritmetiles
• Da'Numba
• Adding with Mental Math

Chapter 2: Place Value and Number Sense

• Understanding 1,000
• Guessing Game
• Number Patterns
• Cookie Dough
• Place Value Games
• The Place Value Game

Chapter 3: Compare, Order, and Round Numbers

• Rounding to the nearest ten
• Rounding to the nearest hundred
• Rounding Numbers to the Nearest Thousand
• Compare Numbers
• Comparing Numbers
• Comparing Numbers
• E. Quation The Great
• The Case of the Skating Bus Driver
• Seashell Rounding to the nearest ten
• Rounding to Tens
• The Phantom Number Cruncher
• Rounding Flash Cards to Hundreds
• Rounding to Hundreds
• Rounding to Thousands
• Round to Ten-Thousands

 

 

 

 

 

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Last Revision July 6, 2008 | Materials created by Jill S. Russ are licensed under a Creative Commons Attribution-
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