Third grade math

A. Place value

  1. Identify place value names: up to ten thousands
  2. Identify the value of a digit: up to ten thousands
  3. Understand and convert place values
  4. Place value: word problems
  5. Guess the numbers using place value

B. Comparing

  1. Compare numbers: up to ten thousands
  2. Identify the Greatest and Least Numbers

C. Ordering

  1. Order numbers
  2. Ordering: word problems

D. Rounding

  1. Round to the nearest ten or hundred
  2. Rounding: word problems

E. Estimation

  1. Estimate sums by rounding numbers: up to 1,000
  2. Estimate differences by rounding numbers: up to 1,000
  3. Estimate sums and differences: word problems

F. Addition: three digits

  1. Add using compensation: up to three digits
  2. Add using expanded form: up to three digits
  3. Add two numbers with regrouping: up to three digits
  4. Add two numbers up to three digits: word problems

G. Subtraction: three digits

  1. Subtract using compensation: up to three digits
  2. Subtract using expanded form: up to three digits
  3. Subtract two numbers with regrouping: up to three digits
  4. Subtract two numbers up to three digits: word problems

H. Addition: four or five digits

  1. Addition patterns across place values
  2. Add two numbers up to four digits
  3. Add two numbers up to four digits: word problems
  4. Add two numbers up to five digits

I. Subtraction: four or five digits

  1. Subtraction patterns across place values
  2. Subtract two numbers up to four digits
  3. Subtract two numbers up to four digits: word problems
  4. Subtract two numbers up to five digits

J. Mixed operations: addition and subtraction

  1. Relating addition and subtraction sentences
  2. Add and subtract: up to three digits
  3. Complete addition and subtraction sentences
  4. Addition and subtraction word problems: up to 3 digits

K. Properties of addition

  1. Identify the properties of addition
  2. Use addition properties to complete equations

L. Skip-counting

  1. Skip-counting patterns
  2. Skip-counting: word problems

M. Introduction to multiplication

  1. Identify addition sentences for equal groups
  2. Write multiplication sentences for equal groups
  3. Write multiplication sentences for arrays

N. Multiplication facts up to 12

  1. Multiply 0 by numbers up to 12
  2. Multiply 1 by numbers up to 12
  3. Multiply 2 by numbers up to 12
  4. Multiply 3 by numbers up to 12
  5. Multiply 4 by numbers up to 12
  6. Multiply 5 by numbers up to 12
  7. Multiply 6 by numbers up to 12
  8. Multiply 7 by numbers up to 12
  9. Multiply 8 by numbers up to 12
  10. Multiply 9 by numbers up to 12
  11. Multiply 10 by numbers up to 12
  12. Multiply 11 by numbers up to 12
  13. Multiply 12 by numbers up to 12

O. Multiplication fact fluency up to 12

  1. Multiplication facts for 1, 2, 3, 4, and 5
  2. Multiplication facts for 6, 7, 8, 9, 10, 11, and 12
  3. Multiplication sentences up to 12: true or false
  4. Multiplication sentences up to 12: find the missing factors

P. Properties of multiplication

  1. Understand properties of multiplication
  2. Use multiplication properties to complete equations

Q. Multiplication word problems

  1. Multiplication word problems with factors up to 5
  2. Multiplication word problems with factors up to 12

R. Multiplication: two digits

  1. Multiply multiples of ten using place value
  2. Multiply by multiples of ten: up to two digits
  3. Multiply one-digit numbers by two-digit numbers
  4. Multiply one-digit numbers by two-digit numbers: word problems
  5. Multiply three one-digit numbers

S. Introduction to division

  1. Divide using equal groups
  2. Write division sentences for arrays
  3. Relationship between multiplication and division
  4. Division rules with 0 and 1

T. Division facts up to 12

  1. Divide by 1: quotients up to 12
  2. Divide by 2: quotients up to 12
  3. Divide by 3: quotients up to 12
  4. Divide by 4: quotients up to 12
  5. Divide by 5: quotients up to 12
  6. Divide by 6: quotients up to 12
  7. Divide by 7: quotients up to 12
  8. Divide by 8: quotients up to 12
  9. Divide by 9: quotients up to 12
  10. Divide by 10: quotients up to 12
  11. Divide by 11: quotients up to 12
  12. Divide by 12: quotients up to 12

U. Division fact fluency up to 12

  1. Division facts up to 12
  2. Division sentences up to 12: true or false
  3. Division facts up to 12: complete the sentences

V. Division word problems

  1. Solve two-digit division word problems
  2. Division word problems with equal groups and arrays

W. Mixed operations: multiplication and division

  1. Multiplication and division facts up to 10
  2. Multiplication and division facts up to 12: true or false
  3. Multiplication and division facts up to 12: complete the sentences

X. Mixed operations

  1. Addition, subtraction, multiplication, and division facts
  2. Addition, subtraction, multiplication, and division word problems

Y. Two-step word problems

  1. Addition and subtraction two-step word problems
  2. Multiplication and division two-step word problems

Z. Equations

  1. Identify the equations
  2. Solve equations with an unknown

AA. Introduction to fractions

  1. Identify fractions of shapes
  2. Identify unit fractions in models
  3. Identify fractions in models

BB. Fractions on number lines

  1. Identify fractions on number lines

CC. Equivalent fractions

  1. Identify equivalent fractions
  2. Find equivalent fractions
  3. Simplify fractions to lowest terms

DD. Comparing and ordering fractions

  1. Compare fractions with models
  2. Compare fractions with like numerators
  3. Compare fractions with like denominators
  4. Order fractions

EE. Word problems with fractions

  1. Word problems with unit fractions
  2. Word problems with fractions

FF. Lines and angles

  1. Identify lines, line segments, and rays
  2. Parallel, perpendicular, and intersecting lines
  3. Compare angles to a right angle

GG. Polygons

  1. Attributes of polygons

HH. Quadrilaterals

  1. Identify parallel sides in quadrilaterals

II. Area

  1. Find area using unit squares

JJ. Perimeter

  1. Find perimeter on grids

KK. Area and perimeter

  1. Solve word problems with area, perimeter, and side length

LL. Customary units of measurement

  1. Read temperatures on a Fahrenheit thermometer

MM. Metric units of measurement

  1. Read temperatures on a Celsius thermometer

NN. Time

  1. Match clocks to times

OO. Money

  1. Solve word problems with coins and bills up to $5

PP. Data and graphs

  1. Interpret bar graphs to solve problems

More Math Lessons Coming Soon

We’re continuing to add more math resources across grade levels. New lessons will be available here shortly — thank you for your patience.