1.OA.B.4 Lesson Plans
CCSS.MATH.CONTENT.1.OA.B.4
:"Understand subtraction as an unknown-addend problem."
These lesson plans can help students practice this Common Core State Standards skill.
Lesson Plans
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
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
