# 1.NBT.B.2 Lesson Plans

#### CCSS.MATH.CONTENT.1.NBT.B.2

:
"Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:"

Our Take: Students are taught that a two-digit number is composed of tens and ones. This reflects a shift in their thinking from viewing numbers as single units ("ones") to a bundle of units. Specifically, the first grader should learn that a bundle of ten "ones" equals one “ten.” They can use this knowledge to figure out, for example, that four “tens” is 40.

These lesson plans can help students practice this Common Core State Standards skill.

## Lesson Plans

M&M Math
Lesson plan
M&M Math
In this engaging, hands-on lesson, students solidify their understanding of place value by adding and regrouping two-digit numbers using M&Ms.
Math
Lesson plan
Show It to Know It!
Lesson plan
Show It to Know It!
Help your students understand place value with this hands-on lesson. Using place value cards and interlocking cubes, they'll represent different numbers in a fun, social manner.
Math
Lesson plan
Ones, Tens, and Hundreds
Lesson plan
Ones, Tens, and Hundreds
Introduce hundreds place value to your students. Increase their knowledge of place value while they enjoy working with ones, tens and hundreds blocks.
Math
Lesson plan
Place Value Concentration
Lesson plan
Place Value Concentration
Put your students to the test with this lesson that helps them learn the tens and ones places with a memory game and worksheet!
Math
Lesson plan
Let's Stretch the Values! Writing Two-Digit Numbers in Expanded Form
Lesson plan
Let's Stretch the Values! Writing Two-Digit Numbers in Expanded Form
What does it mean to expand a number? Use this lesson plan to help your students understand how to write the expanded form of two-digit numbers.
Math
Lesson plan
Place Value Party
Lesson plan
Place Value Party
Now that your first graders are able to count consecutively, introduce them to the tens and ones place values. Using tens and ones blocks will make math easy and fun for everyone!
Math
Lesson plan
Numerous Names for Numbers
Lesson plan
Numerous Names for Numbers
It is important for students to gain a better understanding of different ways to write numbers. In this lesson, your students will practice seeing numbers in various ways to help them comprehend the meaning of numbers.
Math
Lesson plan

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