Free Math Worksheets for Grade 4
These worksheets provide additional calculation practice for many fourth grade math topics, following the Common Core standards and Math Mammoth grade 4 curriculum. Use them as you need!
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Mental addition Mental subtraction Addition in columns Place value/rounding

Mental multiplication Multiply in columns 
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)
Adding whole hundreds (2 addends)
Adding whole hundreds (3 addends)
Missing addend with whole hundreds
Completing a whole thousand (missing addend)
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
Math Mammoth Add & Subtract 4
A selfteaching worktext for 3rd4th grade that covers mental addition and subtraction strategies, adding and subtracting in columns, Roman numerals, the connection between addition and subtraction, solving word problems with bar models, order of operations, graphs, and money problems.
Download $3.10 or Pay What You Want!
Also available as a printed copy.
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 numbersSubtract 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
Math Mammoth Grade 4 Curriculum  $37.50 (download)
Includes two worktexts, answer keys, tests & cumulative reviews. Covers addition and subtraction, graphs, measuring, multidigit multiplication, long division, word problems, place value, geometry, fractions, and decimals.4A contents and samples
4B contents and samples
Grade 4 Common Core alignment
Place value/Rounding
Build a fourdigit number from the parts
Find the missing place value from a 4digit number
Build a 5digit number from parts
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 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
Math Mammoth Place Value 4
A selfteaching worktext for 3rd4th grade that covers thousands, ten thousands, hundred thousands (place value to 6 digits), and also a little of millions.
Download ($2.20). Also available as a printed copy.
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
2digit by 1digit
3digit by 1digit
4digit by 1digit
2digit by 2digit
Math Mammoth Multiplication 2
A selfteaching worktext for 4th grade that covers multiplying by whole tens and hundreds, multidigit multiplication in columns, order of operations, word problems, scales problems, and money problems.
Download ($5.10). Also available as a printed copy.
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
Math Mammoth Division 2
A selfteaching worktext for 4th grade that covers long division, finding fractional parts with division, word problems, remainder, average, and divisibility.
Download ($5.10). Also available as a printed copy.
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 inchesConvert 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)0
Convert between centimeter
s & 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
Math Mammoth Measuring 2
A selfteaching worktext for 4th  6th grade that covers time, temperature, length, weight, and volume, in both customary and measuring units, concentrating on conversions between units.
Download ($6.80). Also available as a printed copy.
Fractions
Fraction addition
Adding like fractions  denominators from 212Adding 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
Math Mammoth Introduction to Fractions
A selfteaching worktext for 2nd4th grade that covers fractions and mixed numbers, adding and subtracting like fractions, adding and subtracting mixed numbers, equivalent fractions, comparing fractions, and finding a fractional part using division.
Download ($5.30). Also available as a printed copy.
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) —easyAdd 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) —easySubtract 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)
Math Mammoth Decimals 1
A selfteaching worktext for 4th grade that gives a solid foundation for decimals. It covers tenths and hundredths, comparing decimals, adding and subtracting decimals both mentally and in columns, multiplying decimals by whole numbers, rounding, estimating, and money problems.
Download ($3.50). Also available as a printed copy.
Math Mammoth Geometry 1
A selfteaching worktext for 4th5th grade that covers angles, triangles, quadrilaterals, cirlce, symmetry, perimeter, area, and volume. Lots of drawing exercises!
Download ($6.90). Also available as a printed copy.
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: