1st grade Number Sense Lesson Plans

Help your students make sense of the greater than, less than and equal to in this interactive lesson! Your students will have opportunities to compare either two-digit or three-digit numbers.

Students will get plenty of practice composing tens with ten frames to add to 20! Use this scaffolded EL Lesson alone or for more addition practice before teaching the **Scavenger Hunt Addition** lesson.

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!

Pop into place! This lessons builds your students' knowledge of numbers, their place value, and how to write them correctly.

Make counting fun with colorful counting bears. Students will learn that skip counting is faster than counting by ones. They will also come away from the lesson with ideas of when skip counting can be used.

Introduce hundreds place value to your students. Increase their knowledge of place value while they enjoy working with ones, tens and hundreds blocks.

Students put their understanding of one and 10 more to work as they write word problems for classmates to solve. This lesson plan can be used alone or with **Picture Addition.**

Your students will learn when to use less than and greater than and how to differentiate the two symbols in this lesson. They will have fun playing the role of the Less Than and Greater Than alligators!

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.

What does it feel like to take 120 steps? In this lesson, students practice counting and completing word problems up to 120.

Let’s start building numbers! Just as building skyscrapers is a visual representation of mathematics, students will use the visual representation of base-ten blocks to add—or build—onto a two-digit number.

Counting collections are a great way to help students practice counting while gaining practice recording and justifying their thinking. Students will work specifically with the numbers 1-30 to develop fluency counting and writing numbers.

In this engaging, hands-on lesson, students solidify their understanding of place value by adding and regrouping two-digit numbers using M&Ms.

Put your students to the test with this lesson that helps them learn the tens and ones places with a memory game and worksheet!

Students get practice composing and comparing two-digit numbers as they compete to collect the most cards while playing the Hungry Alligator game. This lesson can be used alone or with the lesson plan **Greater than Less Than Equal to Game.**

Who doesn’t like to spend money and plan parties? Students will subtract two-digit numbers as they calculate the remaining money for their party supplies. They will subtract in multiples of ten and focus on place value.

Engage students in counting through fun "I Spy" activities! Students gain fluency counting and recording numbers to 30.

Build a solid foundation in number sense with this lesson all about the friendly number 10! Students will count with both fingers and base-ten blocks. This lesson can be used alone or with the lesson plan **Place Value Concentration.**

Expose your students to numerical sequencing and patterns with an interactive lesson that focuses on identifying, writing, and ordering numbers from 1-100. This lesson can be used alone or with the lesson plan **Popping Numbers.**

Dive deep into word problems with this lesson that teaches students to sketch base-ten blocks to add multiples of 10 and two-digit numbers. Use alone or with the lesson plan **Let's Build It! Two-Digit Addition.**

Your class will love this number comparison lesson that allows them to be hands on in their classroom. Students will use blocks to understand the difference in numbers and what they represent.

Use this beginning of the year activity to practice counting! Students solidify an understanding of one-to-one correspondence as they compete to fill three towers. Use this EL Support Lesson alone, or alongside the lesson plan **Counting Collections.**

This Halloween-themed hundreds chart game has plenty of tricks and treats! Students will roll two dice to move up and down the chart to be the first to 100. Players will also recognize important number patterns as they move their marker.

Keep students engaged and help them practice their counting fluency with this fun, game-based lesson. Students count and work with each other to create the classroom’s longest number snake. Who will be the winner?

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.