1.OA.B Worksheets, Workbooks, Lesson Plans, and Games
CCSS.MATH.CONTENT.1.OA.B
:"Understand and apply properties of operations and the relationship between addition and subtraction."
These worksheets, lesson plans, and teacher editions can help students practice this Common Core State Standards skill.
Worksheets
Three Addend Word Problems
Worksheet
Three Addend Word Problems
Teach your students to solve word problems with three addends. Plenty of space is provided for students to show their thinking!
1st Grade
Math
Worksheet
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
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
Double-9 Domino Dash
Worksheet
Double-9 Domino Dash
Students will practice counting, adding, and comparing numbers with this engaging game. Each player chooses a domino, and the player with the greater number of dots takes both dominoes!
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
Math Fact: Relationship Between Addition & Subtraction
Worksheet
Math Fact: Relationship Between Addition & Subtraction
Help students make the connection between addition and subtraction with this appealing worksheet!
Worksheet
Lesson Plans
Where is my Fact Family?
Lesson plan
Where is my Fact Family?
This nifty lesson helps kinesthetic learners reinforce their knowledge of the commutative property. Students will love the challenge of matching equations with their fact families.
1st Grade
Math
Lesson plan
Give Me 10!
Lesson plan
Give Me 10!
Roll some dice to introduce the early concepts of associative and commutative properties in addition by composing and decomposing 10. Worksheets and a quiz are included!
1st Grade
Math
Lesson plan
Subtraction Towers
Lesson plan
Subtraction Towers
Help build your students subtraction skills by finding the unknown! This lesson will help your students understand the relationship between addition and subtraction, as students build towers to find unknown addends.
1st Grade
Math
Lesson plan
Commuting and Computing
Lesson plan
Commuting and Computing
Discovery is exciting! In this hands-on lesson, your students will discover for themselves the rule behind the commutative property of addition.
1st Grade
Math
Lesson plan
Fact Family Trees
Lesson plan
Fact Family Trees
Number facts are related, just like families! Help students learn all about fact families while they make fact family trees!
1st Grade
Math
Lesson plan
Dots & Dots of Fact Families
Lesson plan
Dots & Dots of Fact Families
Get out the dominoes! This fun lesson help students visualize how addition and subtraction are related, all while building their fact family fluency.
1st Grade
Math
Lesson plan
Workbooks
No workbooks found for this common core code.
Games
No games found for this common core code.
Exercises
No exercises found for this common core code.
Teacher Editions
Building Math Fluency, Grade 1: Subtraction
Teacher Edition
Building Math Fluency, Grade 1: Subtraction
Give your first graders the power to subtract with confidence, one smart strategy at a time with this teacher edition workbook by Evan-Moor!
Teacher Edition
Building Math Fluency, Grade 1: Addition
Teacher Edition
Building Math Fluency, Grade 1: Addition
Supercharge your first grader's addition skills with strategies that really stick, with this teacher edition workbook by Evan-Moor!
Teacher Edition
