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Working with Numbers
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Working with Numbers
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Unit 1 — Counting
Four and Five
Six and Seven
Order Through 10
Problem—Solving Strategy: Draw a Picture
Unit 2 — Addition
Understanding Addition
Addition Sentences
Adding 0
Vertical Addition
Unit 3 — Subtraction
Zero Property
More Subtraction Sentences
Fact Families
Problem Solving: Choose the Operation
Unit 4 — Place Value and Number Sense
Tens and Ones to 100
Before, After, Between
Comparing Numbers
Problem—Solving Strategy: Use Estimation
Unit 5 — Money
Using Pennies
Penny and Nickel
Dime
Counting On from Nickels and Dimes
Unit 6 — Time
Reading the Clock
Hour
Thirty Minutes
Problem—Solving Strategy: Use a Model
Unit 7 — Geometry and Measurement
Sides and Corners
Congruent Figures
Measuring in Nonstandard Units
Measuring in Inches
Unit 1 — Counting and Place Value
Tens and Ones to 50
Exploring 3—Digit Numbers
After, Before, Between
Ordinal Numbers
Unit 2 — Addition
Doubles
Sums to 18
Addition Practice
More Adding 3—Digit Numbers
Unit 3 — Subtraction
Fact Families 2
Understanding 2—Digit Subtraction
Understanding 3—Digit Subtraction
Subtracting 3—Digit Numbers
Unit 4 — Money
Quarter
Comparing Money: Greatest Amount
Combination of Coins
Counting Change
Unit 5 — Time
Hour 2
30 Minutes: Half Hour
15 Minutes
Minutes
Unit 6 — Geometry
Making Plane Figures
Sides and Corners 2
Congruence
Symmetry
Unit 7 — Measurement
Inches and Feet
Centimeters
Quarts, Pints, and Cups
Problem—Solving Strategy: Estimate and Measure
Unit 1 — Place Value and Number Sense
Numbers to Hundreds
Exploring Place Value
Comparing Numbers 2
Problem Solving: Use a Table
Unit 2 — Addition
Adding One— and Two—Digit Numbers
Adding Two—Digit Numbers
Exploring Three—Digit Addition
More Addition
Unit 3 — Subtraction
Subtracting One— and Two—Digit Numbers
Subtracting with Zeros
Exploring Subtraction with Zeros
Subtracting Across Zeros
Unit 4 — Multiplication
Mental Math: Reviewing Facts 0—5
Multiply: Using 8 as a Factor
Exploring Multiplying Two—Digit Numbers
Multiplying Two—Digit Numbers
Unit 5 — Division
Dividing by 3
Mental Math: Reviewing Facts
Dividing by 6
Dividing by 9
Unit 6 — Geometry and Measurement
Exploring Area
Exploring Time to the Minute
Time After the Hour
Exploring Length: Meter and Kilometer
Unit 7 — Fractions
Exploring Fractions
Exploring Part of a Group
Important Fractions
Whole Fractions
Unit 1 — Working with Numbers
Number Sense: Expressing Numbers
Comparing Whole Numbers
Adding Two—Digit Numbers 2
Subtracting Two—Digit Numbers
Unit 2 — Multiplication and Division Facts
Mental Math: Practicing Multiplication Facts
Connecting Multiplication and Division
Dividing by 4 and 5
Dividing by 8 and 9
Unit 3 — Multiplying by One—digit Numbers
Multiplying Two—Digit Numbers 2
Multiplying Three—Digit Numbers
Multiplying: More Practice
Multiplying Larger Numbers
Unit 4 — Dividing by One—digit Numbers
Exploring Patterns in Division
Dividing Two—Digit Numbers
Dividing Three—Digit Numbers
Zeros in the Quotient
Unit 5 — Multiplying and Dividing Larger Numbers
Multiplying by Two—Digit Numbers
Exploring: Dividing by Multiples of Ten
Estimating Quotients
Unit 6 — Time, Money, and Measurement
Telling Time
Exploring Subtraction and Money
Multiplying Using Money
Length: Customary Units
Unit 7 — Fractions and Geometry
Exploring Adding Fractions with Like Denominators
Exploring Subtracting Fractions with Like Denominators
Graphing Points on a Grid
Line Segments, Lines, and Rays
Unit 1 — Working with Whole Numbers
Place Value to Hundred Millions
Adding Whole Numbers
Subtracting Whole Numbers
Estimating Whole—Number Differences
Unit 2 — Multiplication
Estimating Products
Multiplying by One—Digit Numbers
Multiplying by Two—Digit Numbers 2
Multiplying by Three—Digit Numbers
Unit 3 — Division
Estimating Quotients 2
Zeros in the Quotient 2
Dividing Two—Digit Numbers 2
Dividing Larger Numbers
Unit 4 — Fractions
Comparing Fractions
Fractions in Simplest Form
Estimating Fractions
Renaming Mixed Numbers
Unit 5 — Decimals
Decimals: Thousandths
Comparing and Ordering Decimals
Adding Tenths and Hundredths
Subtracting Tenths and Hundredths
Unit 6 — Measurement
Changing Customary Units of Capacity and Weight
The Metric System
Metric Units of Length
Metric Units of Capacity
Unit 7 — Geometry
Naming Rays and Angles
Exploring Perimeter
Finding Perimeter
Finding Area of Rectangles
Unit 1 — Whole Numbers and Operations
Understanding Large Numbers
Estimating Sums and Differences
Multiplying by Two— and Three—Digit Numbers
Dividing with One—Digit Divisors
Unit 2 — Fractions
Equivalent Fractions
Adding and Subtracting Like Fractions
Adding and Subtracting Unlike Fractions
Exploring Subtraction of Mixed Numbers
Unit 3 — Multiplication and Division of Fractions
Multiplying Fractions: Another Method
Multiplying with Mixed Numbers
Dividing Fractions
Dividing Mixed Numbers
Unit 4 — Decimals
Adding Decimals
Subtracting Decimals
Connecting Decimals and Fractions
Estimating Decimal Sums and Differences
Unit 5 — Multiplication and Division of Decimals
Multiplying Decimals
Dividing Decimals by Whole Numbers
Dividing Decimals by Decimals
Rounding Decimal Quotients
Unit 6 — Measurement
Customary Units of Length
Customary Units of Capacity and Weight
Using Customary Units
Metric Units of Capacity and Mass
Unit 7 — Geometry
Constructing Congruent Angles
Estimating and Measuring Perimeter
Area of Rectangles
Exploring Volume
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