Use this introductory lesson on comparison to provide students with practice identifying groups of more and less.

In this counting lesson plan, your students will practice using numbers 11 to 20 while learning about comparison.

Use this ocean-inspired lesson plan to practice using one-to-one correspondence with your students. This can be used as a stand-alone lesson or support lesson for the Matching Numbers lesson plan.

In this fun lesson, your class will love learning how to count on using hilarious read alouds as their guide!

In this fun counting-focused lesson plan, your students will practice their one-to-one correspondence skills as they learn a fun song!

Raindrops are falling in this weather-themed math lesson! Students will manipulate raindrops and discover that raindrops can be counted in the same order, even when they are arranged in different ways.

In this teddy bear themed lesson, students will practice recognizing, ordering, and counting the numbers one through 20. Adaptable for any number range from 1-20, this lesson can be customized to target your students’ specific needs!

Use your students' fascination with sharks to create a math feeding frenzy! Students will match numerals to quantity using "shark teeth" in this sensory rich math lesson.

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.

Numbers are blooming! In this flower-themed lesson, students will create a piece of math artwork that will help them practice recognition of numbers through ten.

Introduce place value to your emerging mathematicians while focusing on the numbers 11–20. In this lesson, students will practice separating teen numbers into 10 ones and some additional ones using unifix cubes and ten frames.