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Copyright by The Goodheart-Willcox Co., Inc.
Contents
Section 1
Whole Numbers
Unit 1
Introduction to Whole Numbers. . . . . . . . . . . . . . 10
Introduction
•
Math Work Habits
•
Our Number System
•
Rounding Numbers
•
How
to Round Numbers
•
Denominate Numbers
•
Unit 1 Practice
Unit 2
Addition of Whole Numbers. . . . . . . . . . . . . . . . . 15
Introduction
•
Method Used to Add Whole Numbers
•
Carrying
•
Look for Tens
•
Checking Addition by Adding Up and Down
•
Mark the Answer
•
Denominate
Numbers
•
Unit 2 Practice
Unit 3
Subtraction of Whole Numbers . . . . . . . . . . . . . . 25
Introduction
•
Method Used to Subtract Whole Numbers
•
Borrowing
•
Checking
Subtraction by Adding
•
Denominate Numbers
•
Subtraction Terminology
•
Unit 3
Practice
Unit 4
Multiplication of Whole Numbers . . . . . . . . . . . . 35
Introduction
•
Multiplication Table
•
Method Used to Multiply Whole Numbers
•
Accurate Alignment
•
Checking Multiplication by Reverse Positions
•
Smaller
Multiplier
•
Denominate Numbers
•
Unit 4 Practice
Unit 5
Division of Whole Numbers . . . . . . . . . . . . . . . . . 49
Introduction
•
Method Used to Divide Whole Numbers
•
Division Equation
Variations
•
Checking Division by Multiplying
•
Do Not Crowd Your Problems
•
Denominate Numbers
•
Unit 5 Practice