2.NBT.B.9 Lesson Plans
CCSS.MATH.CONTENT.2.NBT.B.9
:"Explain why addition and subtraction strategies work, using place value and the properties of operations."
These lesson plans can help students practice this Common Core State Standards skill.
Lesson Plans
Double Trouble: Subtraction Practice
Lesson plan
Double Trouble: Subtraction Practice
Double-digit trouble? No problem! Your students will practice their decomposing and regrouping skills in this lesson.
2nd Grade
Math
Lesson plan
Big Spenders
Lesson plan
Big Spenders
Get ready to do some shopping! In this lesson, students will learn about subtracting 100 from multiples of 100 when making big purchases.
2nd Grade
Math
Lesson plan
Building My Math Fluency
Lesson plan
Building My Math Fluency
Tap into students' metacognitive skills and get them to think about their thinking! This lesson encourages students to pay attention to the strategies they use while supporting math fluency!
2nd Grade
Math
Lesson plan
Using Regrouping to Add
Lesson plan
Using Regrouping to Add
Guide students to use base ten blocks to solve two-digit by one-digit addition problems with regrouping. This lesson can be used independently or paired with the lesson Adding it All Up.
2nd Grade
Math
Lesson plan
