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Showing Results for and greatest common factors

Make math colorful! Teach your students to find the factors of a number using the factor rainbow strategy. 

Factors Over the Rainbow

Take your understanding of factors one step further! Use this lesson to classify factors as prime and composite numbers while creating factor trees.

Prime and Composite Numbers

Help your class conquer division with this lesson that has them find the unknown factor using multiplication!

Division: Solving for Unknown Factors

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

Finding the least common multiple is an essential skill for comparing, adding, and subtracting fractions! This lesson introduces students to this concept in an interactive way.

Clap Counting with Multiples

Teach your students to use skip counting as a strategy to multiply two single-digit factors.

Skip Counting to Understand Multiplication

Teach your students to decompose factors as a strategy to find multiples of 6, 7, 8, and 9. This lesson supports flexible thinking and number sense.  

Decompose to Multiply: 6, 7, 8, and 9

Students will become more familiar with common metric measurements by matching everyday objects with the metric mass and volume units they would use to measure them. 

Estimating Measurements of Mass and Volume Using Metric Units

Advance your students from relative measurements to learning about standardized units with this lesson that teaches them about inches and feet by using common classroom objects. 

Estimating Length

Have students “cook” the right blends to make a fantastic word dish with beginning, middle, and ending letter sounds. In this lesson, your students will practice recognizing common CVC words.

Cooking Up Blends

Look all around! We can find 2D shapes inside 3D shapes wherever we go! In this lesson, students will sort shapes and recognize the 2D components of common 3D shapes.

Shapes Inside Shapes

How are plants’ traits affected by environmental factors? In this integrated science and reading lesson, students will use multiple sources to identify and determine how traits are influenced by the environment.


What’s Similar? What’s Different?

Spell and say those words with an A! Students will become familiar with common A sight words. It all starts with a fun “sight word hunt” around the classroom to introduce the lesson and ends with a word game that incorporates movement!

Spell and Say Words with A

What do Malala Yousafzai, Al Gore, and Michelle Obama all have in common? They are all nonfiction authors with a purpose. In this interactive lesson, students will gain practice looking at details in text to identify the author&rsquo;s purpose.

What Were They Thinking?

Teach your students to multiply decimals using the standard algorithm.

Multiply Decimals

Teach your students to recognize and use the associative property of multiplication.

Associative Property of Multiplication

Students get hands-on practice playing this math multiplication game with their hands!

Hands-On Multiplication

Your class will love this outdoor activity that teaches them how to compare the capacity of different containers.

Capacity Comparison

Let's better understand multiplication and division concepts! Use this lesson to help students understand inverse operations between multiplication and division.

Division and Multiplication Relationship

Adding fractions with unlike denominators just doesn't work like it does when the denominators are the same. Let's make it work! Students will add fractions with unlike denominators with sums between one and two.

Make It Work! Adding Fractions with Unlike Denominators

Area models are building blocks to more complicated multiplication and division. Use this lesson to refresh students on the relationship between multiplication and area to prepare them to use the area models strategy with larger numbers.

Area Models and Multiplication

Getting ready to subtract fractions? This lesson reviews how to subtract like denominators and teaches students how to subtract unlike denominators. The focus is on understanding the process and reasoning behind each step.

Subtracting Fractions with Different Denominators

Teach your students to use tape diagrams to solve equations involving whole numbers and fractions.

Illustrating Fraction and Whole Number Products with Tape Models

Refresh students on the relationship between division, multiplication, and place value! They'll use the partial quotients method to solve division problems and discuss the process.

Partial Quotients Method

Getting ready to add fractions? This lesson reviews how to add fractions with unlike denominators using number lines. Students will focus on understanding the process and reasoning behind each step.

Adding Fractions on Number Lines

Teach your students to recognize and use the distributive property of multiplication.

Distributive Property

With some help from Dr. Seuss' *Horton Hears a Who*, your kids will go on a fun scavenger hunt and discover different sounds.

Can You Hear a Who?

Teach your students to interpret multiplication as scaling. In this lesson, students will learn to predict the size of a product, using one factor as scale.

Multiplication as Scaling

How well do your students know decimals? In this lesson, introduce your students to decimal multiplication using models.

Multiply Decimals with Models

In this lesson, your students will measure the lengths of items and then make a line plot to show the measurement data. They will get hands-on by measuring and surveying the class.


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Showing Results for and greatest common factors