Showing Results for within 25 and rectangular arrays

With this activity, students will identify shapes, build 3-D shapes, and practice describing shapes with a partner.

Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.

Practice finding unknown numbers in addition equations using fun and silly word problems.

High order thinking skills are critical skills for students of all ages. In this lesson, your students will create word problems about money.

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 this lesson to review three-digit addition strategies including base-ten drawings, number lines, and the standard algorithm.

Roll some dice to introduce the early concepts of associative and commutative properties in addition by composing and decomposing 10. Worksheets and a quiz are included!

This bear-y fun lesson will help your students understand addition and subtraction and reward their efforts with a sweet treat!

Number facts are related, just like families! Help students learn all about fact families while they make fact family trees!

This tasty lesson will teach second graders about fractions using cookies.

In this lesson, your students will become familiar with shapes by identifying them in real life. Your students will love identifying how many sides shapes have by drawing and counting them!

Use a sweet treat to help students do hands-on math! Students will practice their addition skills in this yummy activity.

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.

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.

Your students will “hop their way” into understanding place value with this fun and active game! In this lesson, they will learn that changing the order of the digits in a number changes its value.

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

How do you build spatial reasoning, critical thinking, and problem solving skills while doing something that is fun? With tangrams! In honor of Chinese New Year, this lesson introduces your students to the Chinese puzzle of tangrams.