Math - 4th Grade, Common Core Printables

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CCSS Printables - Grade 4 Math - Answer Keys

Welcome to our Common Core Printables Answer Key Section for 4th Grade Math!

Here you will find the answers to our thousands of practice worksheets tied to the Common Core State Standards.
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Math - 4th GradeNumber and Operations in Base TenExpress 9-digit expanded form as number names (CCSS.Math.Content.4.NBT.A.2)Express expanded form as 6 digit whole numbers (CCSS.Math.Content.4.NBT.A.2)Express expanded form as 9 digit whole numbers (CCSS.Math.Content.4.NBT.A.2)Express 9 digit whole number in expanded form (CCSS.Math.Content.4.NBT.A.2)Express 6 digit whole numbers in expanded form (CCSS.Math.Content.4.NBT.A.2)Compare Two 6-Digit Numbers in Expanded Form (>,<,=) (CCSS.Math.Content.4.NBT.A.2)Compare Two 12-Digit Number Names (>,<,=) (CCSS.Math.Content.4.NBT.A.2)Compare Two 9-Digit Number Names (>,<,=) (CCSS.Math.Content.4.NBT.A.2)Compare Two 12-Digit Numbers in Expanded Form (>,<,=) (CCSS.Math.Content.4.NBT.A.2)Compare Two 9-Digit Numbers in Expanded Form (>,<,=) (CCSS.Math.Content.4.NBT.A.2)Express 12 digit whole numbers as number names (CCSS.Math.Content.4.NBT.A.2)Express number names as 12 digit whole numbers (CCSS.Math.Content.4.NBT.A.2)Express 9 digit whole numbers as number names (CCSS.Math.Content.4.NBT.A.2)Express number names as 9 digit whole numbers (CCSS.Math.Content.4.NBT.A.2)Express 6 digit whole numbers as number names (CCSS.Math.Content.4.NBT.A.2)Express number names as 6 digit whole numbers (CCSS.Math.Content.4.NBT.A.2)Express 9-digit number names in expanded form (CCSS.Math.Content.4.NBT.A.2)Express 6-digit expanded form as number names (CCSS.Math.Content.4.NBT.A.2)Express 6-digit number names in expanded form (CCSS.Math.Content.4.NBT.A.2)Express 12 digit whole number in expanded form (CCSS.Math.Content.4.NBT.A.2)Express expanded form as 12 digit whole numbers (CCSS.Math.Content.4.NBT.A.2)Express 12-digit number names in expanded form (CCSS.Math.Content.4.NBT.A.2)Express 12-digit expanded form as number names (CCSS.Math.Content.4.NBT.A.2)Express 6-digit number in specified form (CCSS.Math.Content.4.NBT.A.2)Express 9-digit number in specified form (CCSS.Math.Content.4.NBT.A.2)Express 12-digit number in specified form (CCSS.Math.Content.4.NBT.A.2)Express whole number in specified form (CCSS.Math.Content.4.NBT.A.2)Compare Two 4-Digit Numbers (>,<,=) (CCSS.Math.Content.4.NBT.A.2)Compare Two 5-Digit Numbers (>,<,=) (CCSS.Math.Content.4.NBT.A.2)Compare Two 6-Digit Numbers (>,<,=) (CCSS.Math.Content.4.NBT.A.2)Compare Two 6-Digit Number Names (>,<,=) (CCSS.Math.Content.4.NBT.A.2)Compare Two 12-Digit Numbers in Specified Form (>,<,=) (CCSS.Math.Content.4.NBT.A.2)Compare Two 9-Digit Numbers in Specified Form (>,<,=) (CCSS.Math.Content.4.NBT.A.2)Compare Two 6-Digit Numbers in Specified Form (>,<,=) (CCSS.Math.Content.4.NBT.A.2)Round 6-Digit Whole Number to Nearest Hundred (CCSS.Math.Content.4.NBT.A.3)Round 5-Digit Whole Number to Nearest Ten (CCSS.Math.Content.4.NBT.A.3)Round 5-Digit Whole Number to Nearest Thousand (CCSS.Math.Content.4.NBT.A.3)Round 5-Digit Whole Number to Nearest Hundred (CCSS.Math.Content.4.NBT.A.3)Round 6-Digit Whole Number to Nearest Thousand (CCSS.Math.Content.4.NBT.A.3)Round 4-Digit Whole Number to Nearest Ten (CCSS.Math.Content.4.NBT.A.3)Round 4-Digit Whole Number to Nearest Hundred (CCSS.Math.Content.4.NBT.A.3)Round 4-Digit Whole Number to Nearest Thousand (CCSS.Math.Content.4.NBT.A.3)Round 6-Digit Whole Number to Nearest Ten (CCSS.Math.Content.4.NBT.A.3)Round 5-Digit Whole Number to Nearest Ten Thousand (CCSS.Math.Content.4.NBT.A.3)Round 6-Digit Whole Number to Nearest Ten Thousand (CCSS.Math.Content.4.NBT.A.3)Round 6-Digit Whole Number to Nearest Hundred Thousand (CCSS.Math.Content.4.NBT.A.3)Round Whole Numbers To Any Place (CCSS.Math.Content.4.NBT.A.3)Subtract a five-digit from a six-digit number (CCSS.Math.Content.4.NBT.B.4)Add a five-digit and a four-digit number (CCSS.Math.Content.4.NBT.B.4)Add two five-digit numbers (CCSS.Math.Content.4.NBT.B.4)Add two four-digit numbers (CCSS.Math.Content.4.NBT.B.4)Add two six-digit numbers (CCSS.Math.Content.4.NBT.B.4)Add a four-digit and a three-digit number (CCSS.Math.Content.4.NBT.B.4)Add a six-digit and a five-digit number (CCSS.Math.Content.4.NBT.B.4)Add three three-digit numbers (CCSS.Math.Content.4.NBT.B.4)Add four three-digit numbers (CCSS.Math.Content.4.NBT.B.4)Subtract a four-digit from a five-digit number (CCSS.Math.Content.4.NBT.B.4)Determine the Unknown Number in the 4-Digit Addition Equation (CCSS.Math.Content.4.NBT.B.4)Subtract Two Whole Numbers (4-6 Digits) (CCSS.Math.Content.4.NBT.B.4)Determine the Unknown Number in 4-Digit to 6-Digit Addition Equation (CCSS.Math.Content.4.NBT.B.4)Add Two Whole Numbers (4-6 Digits) (CCSS.Math.Content.4.NBT.B.4)Subtract a six-digit from a six-digit number (CCSS.Math.Content.4.NBT.B.4)Determine the Unknown Number in the 6-Digit Subtraction Equation (CCSS.Math.Content.4.NBT.B.4)Add Two Whole Numbers with Carrying (4-6 Digits) (CCSS.Math.Content.4.NBT.B.4)Subtract a four-digit from a four-digit number (CCSS.Math.Content.4.NBT.B.4)Subtract a five-digit from a five-digit number (CCSS.Math.Content.4.NBT.B.4)Determine the Unknown Number in the 6-Digit Addition Equation (CCSS.Math.Content.4.NBT.B.4)Determine the Unknown Number in the 5-Digit Subtraction Equation (CCSS.Math.Content.4.NBT.B.4)Determine the Unknown Number in the 5-Digit Addition Equation (CCSS.Math.Content.4.NBT.B.4)Subtract Two Whole Numbers with Regrouping (4-6 Digits) (CCSS.Math.Content.4.NBT.B.4)Subtract a three-digit from a four-digit number (CCSS.Math.Content.4.NBT.B.4)Determine the Unknown Number in the 4-Digit Subtraction Equation (CCSS.Math.Content.4.NBT.B.4)Determine the Unknown Number in 4-Digit to 6-Digit Subtraction Equation (CCSS.Math.Content.4.NBT.B.4)Multiply 2-digit number by 1-digit number (CCSS.Math.Content.4.NBT.B.5)Multiply 1-Digit Number by 2-Digit Number (CCSS.Math.Content.4.NBT.B.5)Multiply 3-Digit Number by 1-Digit Number (CCSS.Math.Content.4.NBT.B.5)Multiply 1-Digit Number by 3-Digit Number (CCSS.Math.Content.4.NBT.B.5)Multiply 4-Digit Number by 1-Digit Number (CCSS.Math.Content.4.NBT.B.5)Multiply 1-Digit Number by 4-Digit Number (CCSS.Math.Content.4.NBT.B.5)Multiply 2-Digit Number by 2-Digit Number (CCSS.Math.Content.4.NBT.B.5)Multiply 2-Digit Number by 2-Digit Number With Carrying (CCSS.Math.Content.4.NBT.B.5)Multiply 2-Digit Number by 1-Digit Number With Carrying (CCSS.Math.Content.4.NBT.B.5)Multiply 3-Digit Number by 1-Digit Number With Carrying (CCSS.Math.Content.4.NBT.B.5)Multiply 4-Digit Number by 1-Digit Number With Carrying (CCSS.Math.Content.4.NBT.B.5)Find Missing Digit in 2-Digit by 2-Digit Multiplication Equation (CCSS.Math.Content.4.NBT.B.5)Divide a four-digit by a one-digit number (CCSS.Math.Content.4.NBT.B.6)Divide a three-digit by a one-digit number (CCSS.Math.Content.4.NBT.B.6)Divide a two-digit by a one-digit number (CCSS.Math.Content.4.NBT.B.6)Divide 2-to-4 Digit by 1-Digit Number (CCSS.Math.Content.4.NBT.B.6)Number and Operations -- FractionsCompare Two Fractions with Different Numerators - Easy (>,<,=) (CCSS.Math.Content.4.NF.A.2)Order two fractions (Easy) from smallest to largest (CCSS.Math.Content.4.NF.A.2)Order two fractions (Hard) from smallest to largest (CCSS.Math.Content.4.NF.A.2)Order three fractions (Easy) from smallest to largest (CCSS.Math.Content.4.NF.A.2)Compare Two Fractions with Different Denominators - Easy (>,<,=) (CCSS.Math.Content.4.NF.A.2)Order two fractions (Easy) from largest to smallest (CCSS.Math.Content.4.NF.A.2)Order three fractions (Hard) from smallest to largest (CCSS.Math.Content.4.NF.A.2)Order two fractions (Difficult) from smallest to largest (CCSS.Math.Content.4.NF.A.2)Compare Two Fractions with Different Denominators - Difficult (>,<,=) (CCSS.Math.Content.4.NF.A.2)Order three fractions (Difficult) from smallest to largest (CCSS.Math.Content.4.NF.A.2)Order two fractions (Hard) from largest to smallest (CCSS.Math.Content.4.NF.A.2)Order three fractions (Easy) from largest to smallest (CCSS.Math.Content.4.NF.A.2)Order four fractions (Easy) from smallest to largest (CCSS.Math.Content.4.NF.A.2)Order two fractions (Difficult) from largest to smallest (CCSS.Math.Content.4.NF.A.2)Order three fractions (Hard) from largest to smallest (CCSS.Math.Content.4.NF.A.2)Order three fractions (Difficult) from largest to smallest (CCSS.Math.Content.4.NF.A.2)Order two fractions (Easy) in order requested (CCSS.Math.Content.4.NF.A.2)Order three fractions (Easy) in order requested (CCSS.Math.Content.4.NF.A.2)Compare Two Fractions with Different Numerators and Denominators - Easy (>,<,=) (CCSS.Math.Content.4.NF.A.2)Compare Two Fractions with Different Numerators and Denominators - Difficult (>,<,=) (CCSS.Math.Content.4.NF.A.2)Multiply Unit Fractions by a Whole Number (CCSS.Math.Content.4.NF.B.4.b)Operations and Algebraic ThinkingFind the factor pairs of numbers up to 100 (CCSS.Math.Content.4.OA.B.4)Complete the next four numbers in the division series (CCSS.Math.Content.4.OA.C.5)Complete the next four numbers in the series (CCSS.Math.Content.4.OA.C.5)Complete the next four numbers in the subtraction series (CCSS.Math.Content.4.OA.C.5)Complete the next four numbers in the multiplication series (CCSS.Math.Content.4.OA.C.5)