1.NBT.C.4 Worksheets
Common Core State Standards 1.NBT.C.4 Worksheets
Strand: Number and Operations in Base Ten
Objective: Use place value understanding and properties of operations to add and subtract.
CCSS Description: Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
Cazoom Math is a leading provider of Math Worksheets and used by over 50,000 teachers and parents around the world. Here you can find a set of math worksheets aligned to the common core standard 1.NBT.C.4. These worksheets are perfect for learners to develop critical math skills.
You can click on the images below to find out more about each math worksheet, and download and print the resource.
We have a great range of resources for students in 1st Grade. Check out our 1st Grade Math Worksheets page for more details.
Part Part Whole Models - Find a Part (Within 10)
Grades: Kindergarten, 1st Grade

Part Part Whole Models - Find a Part (Within 20)
Grades: Kindergarten, 1st Grade

Adding 11 to 2 digit numbers (10 questions)
Grades: 1st Grade, 2nd Grade

Adding 11 to 2 digit numbers (20 questions)
Grades: 1st Grade, 2nd Grade

Adding 11 to 2 digit numbers (50 questions)
Grades: 1st Grade, 2nd Grade

Adding 2 digit numbers without regrouping (10 questions)
Grades: 1st Grade, 2nd Grade

Adding 2 digit numbers without regrouping (20 questions)
Grades: 1st Grade, 2nd Grade

Adding 2 digit numbers without regrouping (50 questions)
Grades: 1st Grade, 2nd Grade

Adding 5 to 2 digit numbers (10 questions)
Grades: 1st Grade, 2nd Grade

Adding 5 to 2 digit numbers (20 questions)
Grades: 1st Grade, 2nd Grade

Adding 5 to 2 digit numbers (50 questions)
Grades: 1st Grade, 2nd Grade

Adding 6 to 2 digit numbers (10 questions)
Grades: 1st Grade, 2nd Grade

Adding 6 to 2 digit numbers (20 questions)
Grades: 1st Grade, 2nd Grade

Adding 6 to 2 digit numbers (50 questions)
Grades: 1st Grade, 2nd Grade

Adding 7 to 2 digit numbers (10 questions)
Grades: 1st Grade, 2nd Grade

Adding 7 to 2 digit numbers (20 questions)
Grades: 1st Grade, 2nd Grade

Adding 7 to 2 digit numbers (50 questions)
Grades: 1st Grade, 2nd Grade

Adding 8 to 2 digit numbers (10 questions)
Grades: 1st Grade, 2nd Grade

Adding 8 to 2 digit numbers (20 questions)
Grades: 1st Grade, 2nd Grade

Adding 8 to 2 digit numbers (50 questions)
Grades: 1st Grade, 2nd Grade

Adding 9 to 2 digit numbers (10 questions)
Grades: 1st Grade, 2nd Grade

Adding 9 to 2 digit numbers (20 questions)
Grades: 1st Grade, 2nd Grade

Adding 9 to 2 digit numbers (50 questions)
Grades: 1st Grade, 2nd Grade

Adding mulitples of 10 to a 2 digit number (10 questions)
Grades: 1st Grade, 2nd Grade

Adding mulitples of 10 to a 2 digit number (20 questions)
Grades: 1st Grade, 2nd Grade

Adding mulitples of 10 to a 2 digit number (50 questions)
Grades: 1st Grade, 2nd Grade

Adding mulitples of 5 to a 2 digit number (10 questions)
Grades: 1st Grade, 2nd Grade

Adding mulitples of 5 to a 2 digit number (20 questions)
Grades: 1st Grade, 2nd Grade

Adding mulitples of 5 to a 2 digit number (50 questions)
Grades: 1st Grade, 2nd Grade

Adding Single Digits to Two Digit Numbers (No Regrouping)
Grades: 1st Grade, 2nd Grade

Adding Single Digits to Two Digit Numbers (With Regrouping)
Grades: 1st Grade, 2nd Grade

Addition Coloring (C)
Grades: 1st Grade, 2nd Grade

Addition Coloring (D)
Grades: 1st Grade, 2nd Grade

Addition Drills with three numbers (A)
Grades: 1st Grade, 2nd Grade

Addition Grids (Adding Single Digits to Multiples of 10)
Grades: 1st Grade, 2nd Grade

Addition Tables (2 digits)
Grades: 1st Grade, 2nd Grade

Addition Tables (Multiples of 5)
Grades: 1st Grade, 2nd Grade

Addition using Decomposition (A)
Grades: 1st Grade, 2nd Grade

Addition using Decomposition (B)
Grades: 1st Grade, 2nd Grade

Addition Using Number Cubes (C)
Grades: 1st Grade, 2nd Grade

Addition Using Number Cubes (D)
Grades: 1st Grade, 2nd Grade

Addition Using Number Cubes (E)
Grades: 1st Grade, 2nd Grade

Addition Wheels (1 digit to 2 digits)
Grades: 1st Grade, 2nd Grade

Addition Wheels (adding ones to 3 digit numbers)
Grades: 1st Grade, 2nd Grade

Doubling Numbers Up to 20 - Addition
Grades: 1st Grade, 2nd Grade

Doubling using Pictorial Representation
Grades: 1st Grade, 2nd Grade

Emoji Number Bonds to 20
Grades: 1st Grade

Making 100 with 2 Numbers (A) (multiples of 10)
Grades: 1st Grade

Making 100 with 2 numbers (B) (multiples of 5)
Grades: 1st Grade

Making 100 with 2 numbers (blanks)
Grades: 1st Grade

Making 100 with 2 numbers (C)
Grades: 1st Grade

Matching sums to 100 (A)
Grades: 1st Grade, 2nd Grade

Matching sums to 100 (B)
Grades: 1st Grade, 2nd Grade

Matching sums to 100 (C)
Grades: 1st Grade, 2nd Grade

Number bond to 100 Drills (A) (10 questions)
Grades: 1st Grade, 2nd Grade

Number bond to 100 Drills (A) (20 questions)
Grades: 1st Grade, 2nd Grade

Number bond to 100 Drills (A) (50 questions)
Grades: 1st Grade, 2nd Grade

Part Part Whole to 100
Grades: 1st Grade, 2nd Grade
