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Showing Results for within 25 and rectangular arrays

Students will find volume for rectangular prisms by applying the formulas V = l × w × h and V = b × h.

Volume and Rectangular Prisms

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

This scaffolded EL lesson will help your students fluently add within 20, while reinforcing parts of a whole. Use as a pre-lesson for Addition: Over in a Flash, or as a stand alone activity.

Adding Within 20

Illustrating products for fractions with arrays is fun! Use this lesson plan to teach your students to visualize products as arrays when faced with multiplying fraction factors.

Arrays for Fraction Products

Making mistakes helps us learn! Your students will flex their analytical muscles to pinpoint errors in multiplication problems using arrays. Use the lesson on its own or as support to Base Ten Arrays for Multi-Digit Multiplication.

Multiplying with 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?

In this lesson, students use cubes to build arrays to represent factor pairs of numbers within 100. They use this understanding to identify multiples as well.

Arranging Numbers in Multiple Ways

Let your students learn how to find the area of rectangular objects by doing hands-on activities. Your students will love finding the area of various rectangular objects around the classroom!

Finding the Area of a Rectangle

Students will solve area problems by multiplying side lengths for rectangular shapes in real world contexts. 


Geometry Real Word Problems

Adding big numbers can be tricky, but this lesson introduces your students to a strategy that makes it less intimidating! Using the place value strategy will make the task less daunting.

Fluently Adding Within 1000

Start your students on subtracting three-digit numbers with this lesson that breaks the problems down by place values!

Fluently Subtracting within 1000

Students will apply the formula V = l × w × h to find the volume for rectangular prisms in the context of solving real-world problems.

Volume and a Building

Build on students' understanding of the power of ten within multiplication to understand its effect within division. Use this as a standalone lesson or as support to the lesson Dividing Decimals by Powers of 10.

Divide by Powers of Ten

Students will begin to calculate volume of different rectangular prisms using base ten cubes and then transition to using the formula V = L x W x H. Students will then practice using the legendary fifth grade activity, Cootie Catchers. 


Calculating Volume Using the Formula (L x W x H)

Looking for a fun way to reinforce multiplication and area finding skills? This hands-on lesson gives students a chance to create their own multiplication equations by making rectangular models.


Finding Area

What is the intention of an indentation within a paragraph? Within this lesson, students will explore the reasons why we indent. They’ll categorize and classify content to construct paragraphs that include indentations.

Indentation Intentions

Use this lesson to help your students learn about partitioning shapes into parts with equal areas. Students will explain rectangular shape area in fractions of a whole.


Area: Whole, Parts, and Shapes

Practice calculating perimeter with the placement of carnival-themed games with given rectangular dimensions. Your students will use grid paper to determine the location of all the games they choose to make the perfect carnival.

Perimeter of Play

Go to any length to test your students' understanding of perimeter calculations. Students will use their understanding of the perimeter of rectangular shapes to create rectangles that have different side measurements but equal perimeters.

Perfect Perimeter

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

Your students will be at the top of the pack with this lesson that has them identify important information within a word problem.

Into the Wild: Multiplication Word Problems

Teach your students to draw an array using base ten notation to solve multiplication problems with two two-digit factors.

Base Ten Arrays for Multi-Digit Multiplication

Introduce your students to area and teach them to use the formula **Area = Length x Width** within the context of real world problems.

Multiplication and Area

Let your students explore similarities and differences between arrays, and help them understand the commutative property of multiplication. Use this as a stand alone lesson or as a prelesson for *Parking Lot Multiplication*.

Foundations of the Commutative Property

Expand on your students' knowledge of base ten numbers with this lesson that introduces the students to the place and value of digits within a number.

What is My Place Value?

BOOM! Have a blast teaching your students how to find and use patterns within the multiplication table to increase fluency with multiplication and build number sense.

Boom, Clap! Patterns in the Multiplication Table

Students will learn their place in our solar system with this lesson that teaches them about different celestial bodies and their movement within the solar system.

Our Solar System: Turning Around

Challenge students to decompose numbers within multiplication expressions. Use this lesson as a standalone lesson or as support to the lesson Solving Expressions in Word Problems.

Explaining Expressions

Input some patterns to T-charts in this lesson. Use this lesson about input and output boxes as a precursor to finding patterns within word problems.

Input and Output Boxes

Are your students ready for a virtual road trip? In this lesson, your students will learn more about clusters of states called regions and explore the unique characteristics of the states within each region!

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Showing Results for within 25 and rectangular arrays