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Showing Results for arrays and the commutative property

Use these vocabulary cards with the EL Support Lesson Plan: What Are Arrays?

Vocabulary Cards: What Are Arrays?

In this lesson, students will explore the characteristics of arrays and find out why they are important. Use this lesson independently or alongside Come Array With Us! 

What Are Arrays?

This worksheet provides students with the opportunity to work with groups and explore arrays. Students will create sentence frames and repeated addition equations based on pictures before writing their own creative story problems.

Zooming in on Arrays

In this scavenger hunt lesson, students will look for rectangular arrays within their school environment. Whether it is a set of cubbies or windows, students will see that arrays are all around us.

Come "Array" With Us

Lay the foundation for multiplication by having your second grade students work with the 5 x 5 array model!&nbsp;

Working with Arrays

Use this worksheet to practice describing an array with repeated addition. Kids will practice writing number sentences for arrays before applying their knowledge to array word problems.

Array Practice

In this lesson, your students will use repeated addition to find the total number of objects in arrays. This lesson will help your students build upon the skills needed to learn multiplication.


Up, Up, and Array

Practice using repeated addition to find the total number of objects in equal groups.

Hooray for Arrays: Repeat Addition

Lay the foundation for multiplication by introducing your second graders to the concept of arrays. You can use this worksheet as a scavenger hunt, center activity, or an opportunity to engage students in individual learning!

How Many Are There?

Kids try to match the equations that equal the same number in this online math game!

Match: Addition Within 20 Facts

Construct a thriving metropolis with this colorful addition worksheet for second graders!

Build a City: Compose Numbers 19–20

Construct a colorful city with this engaging second-grade addition worksheet!

Build a City: Compose Numbers 13–14

Practice fluency by building a flourishing city in this second-grade worksheet!

Build a City: Compose Numbers 17–18

Build a mathematical metropolis with this fun worksheet for second graders!

Build a City: Compose Numbers 11–12

Use pepper and soap to discover some fun facts about the properties of water.

Pepper and Soap Experiment

Shape up your addition skills with these square puzzles!

Addition Squares to 20 #3

In this lesson, your students will explore the properties of solids and learn to describe them in various ways.


A Solid Investigation

Explore properties of operations while writing subtraction equations with this second-grade math worksheet!

Open Number Line Subtraction Within 1,000: Write the Equation #1

Explore properties of operations while writing addition equations in this second-grade math worksheet!

Open Number Line Addition Within 1,000: Write the Equation #1

Continue exploring properties of operations while writing addition equations in this second-grade math worksheet!

Open Number Line Addition Within 1,000: Write the Equation #3

Get more practice exploring properties of operations while writing addition equations in this second-grade math worksheet!

Open Number Line Addition Within 1,000: Write the Equation #2

Explore how rectangles can be partitioned into rows and columns with this geometry worksheet!

Rows and Columns in Partitioned Rectangles #1

Discover how rectangles can be partitioned into rows and columns with this geometry worksheet!

Rows and Columns in Partitioned Rectangles #2

Investigate how rectangles can be partitioned into rows and columns with this geometry worksheet!

Rows and Columns in Partitioned Rectangles #3

Introduce your child to reflection in geometry with this second grade math worksheet. Your child will find the pictures that are mirror images of each other.

Find the Mirror Image

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Moonlight Magic

In this activity, your child will transform an egg into a glowing, bouncy &quot;ball&quot; that they can play with.

Design Challenge: Glowing Bouncy Egg

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Firework Science

Use this lesson to introduce the concepts of capacity and volume with young learners. This hands on lesson can be used as a scaffolded pre-lesson to Capacity Comparison. 

Exploring Capacity

Explore 3-D shapes with your students and help them identify and talk about the relevant attributes of three-dimensional shapes, all while using real-world examples! Use this as a stand-alone lesson or alongside the Shape Models lesson.

3-D Scavenger Hunt

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