1.OA.B.4 Worksheets
CCSS.MATH.CONTENT.1.OA.B.4
:"Understand subtraction as an unknown-addend problem."
These worksheets can help students practice this Common Core State Standards skill.
Worksheets
Vocabulary Cards: Fact Family Triangles
Worksheet
Vocabulary Cards: Fact Family Triangles
Use these vocabulary cards with the EL Support Lesson Plan: Fact Family Triangles.
1st Grade
Math
Worksheet
Solve the Story Problem
Interactive Worksheet
Solve the Story Problem
Practice solving different types of subtraction word problems with this worksheet. Plenty of space is included for students to show their thinking!
1st Grade
Math
Interactive Worksheet
Make Your Own Fact Family Triangles
Worksheet
Make Your Own Fact Family Triangles
Students will love getting to make and cut out their own fact family triangles as they practice writing three related numbers.
1st Grade
Math
Worksheet
Vocabulary Cards: Fact Family Houses
Worksheet
Vocabulary Cards: Fact Family Houses
Use these vocabulary cards with the EL Support Lesson: Fact Family Houses.
1st Grade
Math
Worksheet
Stamp Subtraction
Worksheet
Stamp Subtraction
This subtraction worksheet will help strengthen your students' ability of understanding word problems and they key words involved. Plenty of space is included for students to show their thinking!
1st Grade
Math
Worksheet
Fact Family Practice: Icy Fact Families
Interactive Worksheet
Fact Family Practice: Icy Fact Families
In this fact family practice worksheet, kids show that they understand the inverse relationship between addition and subtraction.
1st Grade
Math
Interactive Worksheet
Using Addition to Subtract #1
Interactive Worksheet
Using Addition to Subtract #1
Students hone subtraction skills by using their understanding of addition with this inviting math worksheet!
1st Grade
Math
Interactive Worksheet
Using Addition to Subtract #2
Interactive Worksheet
Using Addition to Subtract #2
Students further hone subtraction skills by using their understanding of addition with this appealing math worksheet!
1st Grade
Math
Interactive Worksheet
Using Addition to Subtract #3
Interactive Worksheet
Using Addition to Subtract #3
Students further hone subtraction skills by using their understanding of addition with this appealing math worksheet!
1st Grade
Math
Interactive Worksheet
Related Addition and Subtraction Facts #1
Interactive Worksheet
Related Addition and Subtraction Facts #1
Invite students to explore the relationship between addition and subtraction facts with this first-grade math worksheet!
Interactive Worksheet
Related Addition and Subtraction Facts #2
Interactive Worksheet
Related Addition and Subtraction Facts #2
Explore the relationship between addition and subtraction facts with this first-grade math worksheet!
Interactive Worksheet
Related Addition and Subtraction Facts #3
Interactive Worksheet
Related Addition and Subtraction Facts #3
Explore the relationship between addition and subtraction facts with this first-grade math worksheet!
Interactive Worksheet
Number Bonds All Around
Interactive Worksheet
Number Bonds All Around
Number bonds are a great way for your kids to explore the relationship between addition and subtraction. By filling in the missing numbers, students get experience with fact families.
1st Grade
Math
Interactive Worksheet
Break the Numbers Down!
Worksheet
Break the Numbers Down!
Students learn to decompose numbers through this fun activity. After being given a number, young mathematicians come up with their own way to decompose the number into two different numbers.
1st Grade
Math
Worksheet
