Third Grade
Introduction
Counting and Naming Numbers
- Words and Numbers to 100
- Words and Numbers 3-Digit
- Naming Large Numbers
- Ordinal Numbers to 99
- Ordinal Numbers to Billionth
- Counting and Naming Numbers Quiz
Place Values
- Place Value 2-Digits Part I
- Specific Place Values
- Place Value 2-Digits Part II
- Place Value in Metric Units
- Place Value 3-Digits Part I
- Place Value 3-Digits Part II
- Place Value 3-Digit Expanded Form
- Place Value 3-Digit In Words
- Place Value 6-Digits Part I
- Place Value 6-Digits Part II
- Place Value 6-Digit Expanded Form
- Place Value 6-Digit In Words
- Place Value Quiz
Comparing and Ordering Numbers
- Comparing 1-Digit Numbers
- Ordering Ascending Numbers
- Ordering Descending Numbers
- Ordering Both Directions
- Comparing 2-Digit Numbers
- Ordering 2-Digit Both Directions
- Comparing 3-Digit Numbers
- Ordering 3-Digit Both Directions
- Comparing 4-Digit Numbers
- Ordering 4-Digit Both Directions
- Ordering 5-Digit Both Directions
- Comparing and Ordering Quiz
Counting by numbers other than one
- Even and Odd Numbers
- Count by 2's Next (Evens)
- Count by 2's Any (Evens)
- Count by 2's Next (Odds)
- Count by 2's Any (Odds)
- Count by 3's Next
- Count by 3's Any
- Count by 4's Next
- Count by 4's Any
- Count by 5's Next
- Count by 5's Any
- Count by 10's Next
- Count by 10's Any
- Counting Quiz
Addition
- Review Addition Facts
- Addition Three 1-Digit Numbers
- 1-Digit Addition Sentences
- Adding Tens
- Add 2-Digit Numbers Without Regrouping
- Add With a Calculator
- Add 2-Digit Numbers Vertically
- Add With Mental Math
- Adding Three 2-Digit Numbers
- 2-Digit Addition Sentences
- Adding Hundreds
- Adding 3-Digit Numbers
- 3-Digit Addition Sentences
- Adding 4-Digit Numbers
- 4-Digit Addition Sentences
- Adding 5-Digit Numbers
- Addition Terms
- Addition Quiz
Relationship between Add and Subtract
- Inverse Relationship of Add and Subtract
- Inverse Relationship of Subtract and Add
- Relationship of Add and Subtract Quiz
Subtraction
- Review Subtraction Facts
- Subtraction Sentences
- Subtracting Tens
- Subtract Two-Digits Numbers Without Regrouping
- Estimate the Difference
- Subtract With Mental Math
- 2-Digit Subtraction Sentences
- Subtracting Hundreds
- Subtraction of 3-Digit Numbers
- 3-Digit Subtraction Sentences
- Subtract With a Calculator
- Subtract 4-Digit Numbers
- 4-Digit Subtraction Sentences
- Subtraction Quiz
Rounding and Estimation
- Rounding Numbers to Tens
- Rounding Numbers to Hundreds
- Addition Using Estimation
- Subtraction Using Estimation
- Front-End Estimation of Sums
- Front-End Estimation of Differences
- Rounding and Estimation Quiz
Multiplication Facts
- Relationship of Addition to Multiplication
- Multiplication Facts 0-3 (Multiple Choice)
- Multiplication Facts 4-6 (Multiple Choice)
- Multiplication Facts 7-9 (Multiple Choice)
- Multiplication Facts 0-9 (Multiple Choice)
- Multiplying Tens
- Multiplication Facts 11-12 (Multiple Choice)
- Multiplication Facts 0-3 (Short Answer)
- Multiplication Facts 4-6 (Short Answer)
- Multiplication Facts 7-9 (Short Answer)
- Multiplication Facts 0-9 (Short Answer)
- Multiplication Facts 10-12 (Short Answer)
- Multiplication Facts 0-12 (Short Answer)
- Multiplication Facts Quiz
Multiplication
- Multiplying Tens
- Multiplying 2-Digit Numbers without Regrouping
- Multiplying 2-Digit Numbers
- Multiplying Hundreds
- Multiplying 3-Digit Numbers without Regrouping
- Multiplying 3-Digit Numbers
- Multiplying Three Numbers
- Multiplication Terms
- Multiplication Sentences
- Properties of Multiplication
- Multiplication Quiz
Relationship between Multiplication and Division
- Inverse Relationship of Multiplication and Division
- Inverse Relationship of Division and Multiplication
- Relationship of Multiplication and Division Quiz
Division Facts
- Relationship of Subtraction to Division
- Division Facts 0-3
- Division Facts 4-6
- Division Facts 7-9
- Division Facts 0-9
- Division Facts 10-12
- Division Facts 1-12
- Division Quiz
Division
- Dividing Tens
- Dividing Without Remainder
- Dividing Hundreds
- Division Terms
- Dividing 3-Digit Without Remainder
- Division Sentences
- Division Quiz
Computation
Fractions
- Fractions - Fourths
- Fractions - Eighths
- Fractions - Tenths
- Comparing Like Fractions
- Comparing Unlike Fractions
- Identify Equivalent Fractions
- Comparing Any Fractions
- Add Like Fractions
- Subtract Like Fractions
- Fractions Quiz
Decimals
- Tenths I
- Tenths II
- Hundredths I
- Hundredths II
- Addition of Tenths
- Subtraction of Tenths
- Thousandths I
- Thousandths II
- Decimals Quiz
Rounding and Estimating
- Rounding Numbers to Tens
- Rounding Numbers to Hundreds
- Rounding Numbers to Thousands
- Rounding Numbers to Ten Thousands
- Rounding Numbers to Hundred Thousands
- Addition Using Estimation
- Subtraction Using Estimation
- Front-End Estimation of Sums
- Front-End Estimation of Differences
- Estimate Sum of Decimals
- Estimate Difference of Decimals
- Rounding and Estimating Quiz
Consumer Math
- Converting Pennies to Nickels
- Adding Nickels and Pennies
- Adding Dimes and Pennies
- Converting Coin Values
- Adding Dimes, Nickels and Pennies
- Converting Coins to Pennies
- Adding Dollars, Dimes and Pennies
- Addition of Money
- Subtraction of Money
- Amount of Change from a Purchase
- Coins for Making Change
- Consumer Math Quiz
Telling Time
- Tell Time to Hour
- Tell Time to Half Hour
- Tell Time to Quarter Hour
- Tell Time to 5 Minutes
- Tell Time to Minutes
- Words and Numbers - Quarter Hours
- Words and Numbers - Minutes
- Tell Time to Nearest Hour
- Tell Time to Nearest Half Hour
- Tell Time to Nearest Quarter Hour
- Time Difference - Hours
- Time Difference - Half Hours
- Time Difference - Quarter Hours
- Time Difference - 5 Minutes
- Time Difference - Minutes
- Telling Time Quiz
More Time
- Time Periods
- Days in the Months
- Name the Next Month
- Days of the Week
- Convert Weeks to Days
- Convert Weeks and Days to Days
- Convert Days to Weeks and Days
- Add Weeks and Days
- Convert Days to Hours
- Convert Days and Hours to Hours
- Convert Hours to Days and Hours
- Add Days and Hours
- Convert to Minutes
- Converting Minutes to Hours
- Adding Minutes and Hours
- Convert Minutes to Seconds
- Convert Minutes and Seconds to Seconds
- Convert Seconds to Minutes and Seconds
- Add Minutes and Seconds
- Add Hours to a Time
- Add Half-Hours to a Time
- Time Zones: Continental US
- Time Zones: Canada
- Time Zones: North America
- Time Zones: Europe
Measurement - Metric
Measurement - Length, Weight and Volume
- Adding Feet and Inches
- Subtracting Feet and Inches
- Adding Pounds and Ounces
- Subtracting Pounds and Ounces
- Convert Metric Masses
- Compare Metric Masses
- Convert Metric Lengths
- Compare Metric Lengths
- Convert Metric Volume
- Compare Metric Volumes
- Length, Weight and Volume Quiz
Geometry
- Types of Polygons
- Polygon Names by Number of Sides
- Polygon Names by Sketch
- Triangle Types by Angles
- Triangle Types by Sides
- Geometry Quiz
Area
Perimeter
Roman Numerals
- Arabic Numerals to Roman Numerals
- Roman Numerals to Arabic Numerals
- Adding Roman Numerals
- Subtracting Roman Numerals
- Roman Numerals Quiz