Our Curriculum › Math › 3rd Grade
Math 3
A full year of 3rd-grade math built around multiplication and division facts, then fractions, area and perimeter, time, liquid volume and mass, scaled graphs and quadrilaterals, with plenty of word problems and review.
180 lessons
One a day for a school year
10 units
Each opens to its lessons
Times tables 2 through 10
A new table each day for 9 days
Standards
Common Core Grade 3 math
What's taught, unit by unit
Multiplication tablesDays 1–10
Multiplication as equal groups, then one times table a day from the 2s to the 10s, each with its own shortcut (doubling, double-double, skip-counting, the finger trick for 9s).
- 1 · Multiplication as groups
- 2 · The 2s times table
- 3 · The 3s times table
- 4 · The 4s times table
- 5 · The 5s times table
- 6 · The 6s times table
- 7 · The 7s times table
- 8 · The 8s times table
- 9 · The 9s times table
- 10 · The 10s times table
Division, word problems and patternsDays 11–25
What division means, how it undoes multiplication, dividing by 2 through 9, fact families, division word problems, two-step problems, choosing the operation, number patterns and patterns in the multiplication table.
- 11 · What Is Division?
- 12 · Division and Multiplication Are Connected
- 13 · Dividing by 2
- 14 · Dividing by 5 and 10
- 16 · Dividing by 3 and 4
- 17 · Dividing by 6, 7, 8, and 9
- 18 · Division Word Problems
- 19 · Multiplication and Division Fact Families
- 21 · Two-Step Word Problems
- 22 · Choosing the Right Operation
- 23 · Finding Number Patterns
- 24 · Patterns in the Multiplication Table
Plus 3 review days, not listed.
Rounding and larger numbersDays 26–33
Rounding to the nearest 10 and 100, adding and subtracting within 1,000, multiplying a one-digit number by a multiple of 10, and the word problems that go with it.
- 26 · Rounding to the Nearest 10
- 27 · Rounding to the Nearest 100
- 28 · Adding Within 1000
- 29 · Subtracting Within 1000
- 31 · Multiplying by Multiples of 10
- 32 · Multiplication Word Problems with Multiples of 10
Plus 2 review days, not listed.
FractionsDays 34–43
Fractions as equal parts, unit fractions, fractions on a number line, equivalent fractions, comparing fractions with the same denominator or numerator, whole numbers as fractions, and fraction word problems.
- 34 · What Is a Fraction?
- 35 · Unit Fractions
- 36 · Fractions on a Number Line
- 37 · Equivalent Fractions
- 38 · Comparing Fractions with the Same Denominator
- 39 · Comparing Fractions with the Same Numerator
- 41 · Fraction Word Problems
- 42 · Whole Numbers as Fractions
Plus 2 review days, not listed.
Time, volume, mass and graphsDays 44–55
Telling time to the minute, elapsed time, liquid volume in liters, mass in grams and kilograms, word problems with each, then scaled picture graphs, scaled bar graphs and line plots.
- 44 · Telling Time to the Minute
- 45 · Elapsed Time
- 46 · Elapsed Time Word Problems
- 47 · Measuring Liquid Volume
- 48 · Measuring Mass
- 49 · Volume and Mass Word Problems
- 51 · Scaled Picture Graphs
- 52 · Scaled Bar Graphs
- 53 · Solving Problems Using Graphs
- 54 · Making a Line Plot
Plus 2 review days, not listed.
Area and perimeterDays 56–70
Area by tiling with unit squares, rows times columns, length times width, missing sides, L-shaped combined rectangles, the distributive property, then perimeter and why equal perimeters can have different areas.
- 56 · What Is Area?
- 57 · Tiling to Find Area
- 58 · Area as Rows Times Columns
- 59 · Area of Rectangles: Length Times Width
- 61 · Area Word Problems
- 62 · Finding a Missing Side from Area
- 63 · Area of Combined Rectangles
- 64 · Area Using the Distributive Property
- 66 · What Is Perimeter?
- 67 · Perimeter of Rectangles
- 68 · Perimeter Word Problems
- 69 · Same Perimeter, Different Area
Plus 3 review days, not listed.
Quadrilaterals and equal areasDays 71–75
Sorting four-sided shapes (squares, rectangles, rhombuses and others) by their attributes, and splitting shapes into equal-area parts.
- 71 · Categorizing Quadrilaterals
- 72 · Rhombuses and Rectangles
- 73 · Sorting Quadrilaterals by Attributes
- 74 · Partitioning Shapes into Equal Areas
Plus 1 review day, not listed.
Cumulative practice, games and real-world mathDays 76–110
Mixed review of multiplication, fractions, measurement, area and perimeter. Math in cooking, sports, building and travel, multi-step problems, checking work, estimation, games, puzzles, trivia and famous mathematicians.
- 76 · Cumulative Practice: Multiplication and Division
- 77 · Cumulative Practice: Fractions
- 78 · Cumulative Practice: Measurement
- 79 · Cumulative Practice: Area and Perimeter
- 81 · Multi-Step Word Problems
- 82 · Checking Your Work
- 83 · Math Game: Multiplication Bingo
- 84 · Math Game: Fraction War
- 86 · Math in Cooking: Recipes and Fractions
- 87 · Math in Sports: Scores and Stats
- 88 · Math in Building: Measuring and Area
- 89 · Math in Travel: Distance and Time
- 91 · Cumulative Practice: All Operations
- 92 · Math Puzzle Day
- 93 · Math Trivia Challenge
- 94 · Estimating Before Solving
- 96 · Math Around the World
- 97 · Famous Mathematicians
- 98 · Math Game: Dice Addition Race
- 99 · Math Game: Shopping Spree
- 101 · Cooking with Fractions
- 102 · Sports Stats and Averages
- 103 · Building and Area
- 104 · Travel and Elapsed Time
- 106 · Math Game: Fraction Bingo
- 107 · More Multi-Step Word Problems
- 108 · Checking Your Work: Solve It Two Ways
- 109 · Math Game: Perimeter Race
Plus 7 review days, not listed.
Second round of practice: fluency and word problemsDays 111–150
Word problems of every kind (money, fractions, measurement, time), fact-fluency sprints, remainders, equivalent and comparing fractions, rounding, area, perimeter, line plots, quadrilaterals and scaled-graph problems, with math games.
- 111 · Word Problems: Choosing the Right Operation
- 112 · Money Word Problems
- 113 · More Fraction Word Problems: Parts of a Whole
- 114 · Graphing Practice
- 116 · Math Game: Multiplication War
- 117 · Measurement Word Problems
- 118 · Shape and Fraction Combo Practice
- 119 · Math Game: Area Builder
- 121 · Two-Step Word Problems Practice
- 122 · Number Pattern Challenge
- 123 · Comparing Fractions Practice
- 124 · Rounding Practice
- 126 · Math Game: Division Bingo
- 127 · Area and Perimeter Together
- 128 · Time Word Problems Practice
- 129 · Math Game: Fraction Pizza Party
- 131 · Multiplication Fact Fluency Sprint
- 132 · Division Fact Fluency Sprint
- 133 · Word Problems with Remainders
- 134 · Comparing Numbers to 1000
- 136 · Math Game: Roll and Round
- 137 · Equivalent Fractions Practice
- 138 · Multi-Step Measurement Problems
- 139 · Math Game: Graphing Scavenger Hunt
- 141 · Adding and Subtracting Within 1000 Practice
- 142 · Multiplying by Multiples of 10 Practice
- 143 · Line Plot Practice
- 144 · Quadrilateral Practice
- 146 · Math Game: Shape Sort Race
- 147 · Partitioning Shapes Practice
- 148 · Scaled Graph Word Problems
- 149 · Math Game: Mystery Number
Plus 8 review days, not listed.
Mixed review, mastery checks and celebrationDays 151–180
Seven mixed reviews, a two-day math olympics, writing your own problems, a self-assessment, four final mastery checks (operations, fractions, measurement and area, shapes and graphs), trivia rounds and a year in review.
- 151 · Final Stretch: Mixed Review 1
- 152 · Final Stretch: Mixed Review 2
- 153 · Math Olympics: Round 1
- 154 · Math Olympics: Round 2
- 156 · Final Stretch: Mixed Review 3
- 157 · Design Your Own Math Problem
- 158 · Math Around Your Neighborhood
- 159 · Final Stretch: Mixed Review 4
- 161 · Final Stretch: Mixed Review 5
- 162 · Final Stretch: Mixed Review 6
- 163 · Math Board Game Day
- 164 · Fraction and Shape Mastery Check
- 166 · Final Stretch: Mixed Review 7
- 167 · Math Skills Self-Assessment
- 168 · Extra Practice: Skills You Chose
- 169 · Math Year Highlights
- 171 · Final Mastery Check: Operations
- 172 · Final Mastery Check: Fractions
- 173 · Final Mastery Check: Measurement and Area
- 174 · Final Mastery Check: Shapes and Graphs
- 176 · Math 3 Trivia Finale: Round 1
- 177 · Math 3 Trivia Finale: Round 2
- 178 · Design Your Own Math 3 Trivia Game
- 179 · Math 3 Year in Review
- 180 · Math 3 Complete! Final Celebration
Plus 5 review days, not listed.
By the end of the year, your child can
- Multiply and divide with the facts up to 10 and explain how they are connected
- Name, compare and find equivalent fractions, and place them on a number line
- Find the area and perimeter of rectangles, including L-shaped ones
- Add and subtract within 1,000 and round to the nearest 10 or 100
- Tell time to the minute and solve elapsed time problems
- Solve two-step word problems and read scaled graphs and line plots
Other 3rd Grade subjects: Reading 3 · Writing 3 · Science 3 · History 3