Free Printable Math Worksheets for Grade 4
This is a comprehensive collection of free printable math worksheets for grade 4, organized by topics such as addition, subtraction, mental math, place value, multiplication, division, long division, factors, measurement, fractions, and decimals. They are randomly generated, printable from your browser, and include the answer key. The worksheets support any fourth grade math program, but have been specifically designed to match Math Mammoth grade 4 curriculum.
The worksheets are randomly generated each time you click on the links below. You can also get a new, different one just by refreshing the page in your browser (press F5).
You can print them directly from your browser window, but first check how it looks like in the "Print Preview". If the worksheet does not fit the page, adjust the margins, header, and footer in the Page Setup settings of your browser. Another option is to adjust the "scale" to 95% or 90% in the Print Preview. Some browsers and printers have "Print to fit" option, which will automatically scale the worksheet to fit the printable area.
All worksheets come with an answer key placed on the 2nd page of the file.
Mental addition
 Complete the next whole hundred (missing addend)
 Adding 2digit numbers mentally
 Adding 1and 2digit numbers mentally (3 addends)
 Adding whole tens (4 addends) (print in landscape)
 Adding whole hundreds (2 addends) (print in landscape)
 Adding whole hundreds (3 addends) (print in landscape)
 Missing addend with whole hundreds (print in landscape)
 Completing a whole thousand (missing addend) (print in landscape)
 Adding a 3digit number and a 1digit number mentally
 Missing addend problems 1: easy
 Missing addend problems 2: a 3digit number and a 1digit number
 Missing addend problems 3: involves one 3digit number
 Missing addend problems 4: 2digit numbers
Mental subtraction
 Subtract 2digit numbers within 100
 Subtract a 2digit number from whole hundreds
 Subtract whole tens within 1000  easier
 Subtract whole tens within 1000  more difficult
 Subtract whole hundreds 1
 Subtract whole hundreds 2
 Missing minuend / subtrahend with 2digit numbers
 Missing minuend / subtrahend with whole tens
 Missing minuend / subtrahend  singledigit numbers, whole tens, or whole hundreds
 Missing minuend / subtrahend—a challenge
 Subtract any number from 1000
 Subtract any number from any whole thousand
 Add and subtract many numbers within 100
 Order of operations  add, subtract, and parenthesis
Addition in columns
 Adding 3digit numbers, 2 addends
 Adding 3digit numbers, 3 addends
 Adding 3digit numbers, 4 addends
 Adding 3digit numbers, 5 addends
 Adding 4digit numbers, 2 addends
 Adding 4digit numbers, 3 addends
 Adding 4digit numbers, 4 addends
 Adding 4digit numbers, 5 addends
 Adding 5 and 6digit numbers, 2 addends
 Adding 5 and 6digit numbers, 3 addends
 Adding 5 and 6digit numbers, 4 addends
Subtraction in columns
 Subtract 3digit numbers
 Subtract 4digit numbers
 Subtract 5 or 6digit numbers
 Regroup (borrow) with two zeros
 Regroup (borrow) with three zeros
 Missing addend problems (solve using subtraction)
 Missing addend problems: challenge
Place value/Rounding
 Build a fourdigit number from the parts (print in landscape)
 Find the missing place value from a 4digit number (print in landscape)
 Build a 5digit number from parts (print in landscape)
 Find the missing place value from a 5digit number
 Build a 6digit number from parts
 Find the missing place value from a 6digit number
 Round to the nearest ten, within 1,000
 Round to the nearest hundred, within 10,000
 Round to the nearest thousand, within 10,000
 Round to the nearest ten thousand, within 1,000,000
 Mixed rounding problems 1  round to the nearest 10 or 100
 Mixed rounding problems 2  round to the nearest 10, 100, or 1000
 Mixed rounding problems 3  as above but rounding to the underlined digit
 Mixed rounding problems 4  round to the nearest 10, 100, 1000, or 10,000 within 1,000,000
 Mixed rounding problems 5  round to any place value within 1,000,000
Roman numerals
These are completely optional, as Roman Numerals are not included in the Common Core standards.
 Write Roman numerals as normal numbers (from 1 to 399)
 Write numbers as Roman numerals (from 1 to 399)
 Easy addition and subtraction problems with Roman numerals
Mental multiplication
 Multiplication tables 210, random facts
 Multiplication tables 212, random facts
 Multiplication tables 210, missing factor
 Multiplication tables 212, missing factor
 Multiply a singledigit number by whole tens
 Multiply a singledigit number by whole hundreds
 Multiply a singledigit number by whole tens or whole hundreds
 Multiply singledigit numbers, whole tens, or whole hundreds by the same

As above, but missing factor
 The same as above, but also including whole thousands
 As above, missing factor
 Multiply in parts 1: singledigit number by a 2digit number
 Multiply in parts 2: singledigit number by a number near a whole hundred
 Multiply in parts 3: singledigit number by a 3digit number
 Order of operations: add, subtract, multiply, and parenthesis — three operations
 Order of operations: add, subtract, multiply, and parenthesis — four operations
Multiply in columns
Mental division
 Division facts practice (tables 110)
 Division facts practice (tables 112)
 Missing dividend or divisor (basic facts)
 Divide by 10 or 100
 Divide by whole tens or hundreds
 Divide whole tens and whole hundreds by 1digit numbers mentally
 Division with remainder within 1100, based on basic facts
 Division with remainder within 1100
 Division with remainder, divisor a whole ten
 Division with remainder, divisor a whole hundred
 Order of operations: add, subtract, multiply, divide, and parenthesis — three operations
 Order of operations: add, subtract, multiply, divide, and parenthesis — four operations
 Order of operations: add, subtract, multiply, divide, and parenthesis — five operations
Long division
 Division facts practice (using the long division symbol)
 Long division, 2digit dividends, 1digit divisor, exact division
 Long division, 2digit dividends, 1digit divisor, remainders possible
 Long division, 3digit dividends, 1digit divisor, exact division
 Long division, 3digit dividends, 1digit divisor, remainders possible
 Long division, 4digit dividends, 1digit divisor, exact division
 Long division, 4digit dividends, 1digit divisor, remainders possible
Factors
 Find all the factors of the given number between 4 and 50
 Find all the factors of the given number between 4 and 100
Measuring units
Customary units
 Convert between whole feet and inches
 Convert between whole yards & feet
 Convert between whole feet & inches, and whole yards & feet
 Convert between ounces & whole pounds
 Convert between ounces & whole cups
 Convert between cups & whole pints
 Convert between cups and whole quarts
 Convert between quarts and whole gallons
 Convert between cups, pints, and quarts
 Convert between cups, pints, quarts, and gallons
 All customary units mentioned above  mixed practice
Metric units
 Convert between millimeters & whole centimeters
 Convert between centimeters & whole meters
 Convert between meters and whole kilometers
 Mixed practice of millimeters, centimeters, and meters
 Mixed practice of all of those above (mm, cm, m, and km)
 Convert between milliliters and whole liters
 Convert between grams and whole kilograms
 Mixed practice  ml & l and g & kg
 All metric units mentioned above  mixed practice
The following worksheets are slightly beyond Common Core Standards for 4th grade, and are optional.
 Convert between millimeters & centimeters (for example, 34 mm = ___ cm ____ mm)
 Convert between centimeters & meters (for example, 2 m 65 cm = _____ cm)
 Mixed practice of the two above (millimeters, centimeters, and meters)
 Convert between meters and kilometers (for example, 2,584 m = ____ km _____ m)
 Mixed practice of the ones above (mm, cm, m, and km)
 Convert between milliliters and liters (for example, 2,584 ml = ____ L _____ ml)
 Convert between grams and kilograms (for example, 5 kg 600 g = ________ g)
 Mixed practice of the two above: ml & l and g & kg
 All metric units mentioned above  mixed practice
 Convert between inches and feet (e.g. 35 in. = ___ ft ___ in.)
 Convert whole miles & feet or yards

Convert between ounces & pounds (e.g. 62 oz = ___ lb ___ oz)
 Convert between cups, pints, quarts, and gallons
 All customary units mentioned above  mixed practice
Fractions
Fraction addition
 Adding like fractions  denominators from 212
 Adding like fractions  denominators from 225 (optional; beyond the CCS)
 How much is missing from one whole?
 Add a fraction and a mixed number (like denominators)
 Adding mixed numbers (like denominators)
 How much is missing from the next whole number?
 Add a fraction with tenths and another with hundredths (such as 2/10 + 6/100)
Fraction Subtraction
 Subtract like fractions (denominators 212)
 Subtract like fractions (denominators 225) (optional; beyond the CCS)
 Subtract a fraction from a whole number
 Subtract a fraction from a mixed number
 How much was subtracted from a whole number
 Subtract mixed numbers (like denominators)
 Subtract a fraction with tenths and another with hundredths (such as 2/10 + 6/100)
Fractions to mixed numbers or vv.
 Mixed numbers to fractions  easy
 Mixed numbers to fractions  more challenging
 Fractions to mixed numbers  easy
 Fractions to mixed numbers  not so easy
Comparing fractions
 Compare two fractions  includes empty pie images for student to color
 Compare two fractions  proper fractions
 Compare two fractions  improper fractions allowed
 Order three fractions
 Order four fractions
Equivalent fractions
 Two pie images, one colored in. Student writes both fractions.
 Two empty pie images and one fraction are given; student writes the other fraction
 The same as above except may contain improper fractions
 Two equivalent fractions; one numerator or denominator is missing
 The same as above except may contain improper fractions
Decimals
 Decimals to fractions (tenths/hundredths)
 Decimals to mixed numbers (tenths/hundredths)
 Fractions to decimals
 Mixed numbers to decimals
Decimal Addition
 Add mentally (1 decimal digit) —easy
 Add mentally (1 decimal digit) —medium
 Add mentally (1 decimal digit) —missing addend
 One addend has 1 decimal digit, the other has 2
 Addends may have one or two decimal digits—challenge
 Add two decimals writing them under each other (add in columns)
Decimal Subtraction
 Subtract mentally (1 decimal digit) —easy
 Subtract mentally (1 decimal digit) —medium
 Subtract mentally (1 decimal digit) â€”missing minuend/subtrahend
 One number has 1 decimal digit, the other has 2
 The numbers may have one or two decimal digits  challenge
 Subtract two decimals writing them under each other (subtract in columns)
If you wish to have more control on the options such as number of problems or font size or spacing of problems, or range of numbers, just click on these links to use the worksheet generators yourself:
2nd grade
3rd grade
4th grade
5th grade
6th grade
7th grade
Addition worksheets
Number bonds worksheets
Number Charts
Multiplication worksheets
Division worksheets
Basic operations: addition,
subtraction, multiplication
and division (incl. integers)
Roman numerals
Place value &
scientific notation
Rounding Time (clock)
Customary measuring units
Metric measuring units
Classify quadrilaterals
Area & perimeter of rectangles
Area of triangles & polygons
Coordinate grid, moves, reflections
Circle
US Money
Canadian Money
Australian Money
British Money
European Money
South African Money
Fraction worksheets 1
Fraction worksheets 2
Fraction addition
Comparing fractions
Equivalent fractions
Prime factorization / factors
GCF / LCM
Fraction Calculator
Decimal multiplication
Decimal division
Fraction/Decimal
Rounding decimals
Percent/Decimal
Percentage of a number
Various percentage problems
Exponents
Negative & zero exponents
Order of operations
Square Root
Proportions
Ratio word problems
Order of operations
Variable expressions
Evaluate expressions
Simplify expressions
Linear equations
Linear inequalities
Speed, time & distance
Graphing & slope
Equation calculator
Equation editor