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Showing Results for greatest common factor

Which number doesn't belong? This lesson requires students to think critically as they determine which number is not a factor of a particular number. Teach it on its own or as support for the lesson Factors Over the Rainbow. 

Factor Friend or Foe?

Use this lesson to support students in understanding the symbols used to record numbers. This lesson can be used alongside Comparing Three-Digit Numbers or as a standalone, scaffolded EL support lesson.

Which Number is the Greatest?

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

Students participate in a classroom scavenger hunt with a partner to measure common classroom objects using a ruler.

Measure It, Man!

Ready, set, fractions! In this hands-on lesson, your students will familiarize themselves with common fractions using concrete materials to practice splitting items into halves, thirds, and quarters.

Fractions of a Whole

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

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?

With this lesson, your students will see how the order of the factors does not affect the product in a multiplication expression. Use this on its own or alongside *You're On a Roll! Practicing Multiplication Facts.* 

Strategies to Make Multiplication a Breeze

Help your students show their understanding as they explain how to add fractions with unlike denominators. Use this lesson on its own or as support to the lesson Make It Work! Adding Fractions with Unlike Denominators.

Explaining Fraction Addition

Teach your students to use partial products as a strategy to multiply multi-digit numbers. 


Multiplication with Partial Products

Challenge students to use their understanding of standard algorithm division to list multiples while solving division problems. Focus on their language use and opinions in this pre-lesson to the Partial Quotients Method lesson.

Doubling Multiples for Division

Why make things harder on ourselves? Teach your students to decompose numbers to make math easier! Use this as a stand alone lesson or a pre-lesson for *Decompose to Multiply: 6, 7, 8, and 9.*

Decomposing Numbers

Teach your students to calculate fractions of 100 using a number line model. 

Metric Measurements, Fractions and Number Lines

Make decimal comparisons! Your students will focus on comparing decimals and using necessary language to say their comparisons. Use this lesson by itself or use it as support for the Decimals, Decimals, Decimals lesson.

Decimal Comparisons

Delicious multiplication! In this sweet lesson, your students will learn how to relate multiplication to repeated addition using candy counters.

Candy Multiplication

This lesson introduces students to the concepts of mean, median, and mode in a hands-on and visual way. 

Mean, Median and Mode Madness!

Planning for a substitute in the classroom has never been easier than with this daily sub plan! Your substitute can keep your students learning in your absence by using these lessons, worksheets, and activities.

Fourth Grade Daily Sub Plan A

Students will use the inverse relationship between multiplication and division to complete an area formula in a real-world situation. Use this lesson on its own or as support for the lesson The Case of the Missing Rectangle Side.

Area Arrangements

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.


Line Plots: Representing the Length of Classroom Items

Start a dialogue around area models! In this lesson, encourage students to ask questions as they multiply using area models. Use this lesson on its own or as support to the lesson Area Models and Multiplication.

Area with Multiplying and Adding

Help your students discover patterns when multiplying by five.

Multiply by 5

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

While memorization is important when it comes to multiplication facts, a foundation of understanding is key, too! Use this lesson on its own or as a pre-lesson for *Hands-On Multiplication*.

Strategies Lead to Understanding

Help your students master decimals with this engaging math lesson. Your class will put their art skills to work creating a poster, and will practice mathematical explanations through peer collaboration.

Math Classroom Challenge: Decimals

In this lesson, students engage in interesting hands-on activities that help them discover the properties of parallel, perpendicular, and intersecting lines. Your little mathematicians will have a blast as they learn about geometry.

What's My Line?

This engaging math lesson combines all of your kid's fall favorites as they learn to represent data using a bar graph. 

Let's Graph Our Fall Favorites!

This nifty lesson helps kinesthetic learners reinforce their knowledge of the commutative property. Students will love the challenge of matching equations with their fact families.

Where is my Fact Family?

Graphs bring data to life and help us draw conclusions about the information presented. In this lesson students will engage with three different kinds of graphs by asking and answering interpretive questions.

Interpreting Complex Graphs

Encourage students to explain their processes when converting from a mixed number to an improper fraction, and back again. Use this lesson on its own or as support to the lesson Single Strategy for Adding and Subtracting Mixed Numbers.

Explain Fraction Conversions

Help your students see the variety of strategies they can use to compare fractions! Students will compare their strategies with that of their classmates. Use this lesson on its own or use it as support for the lesson Fraction Wars. 

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Showing Results for greatest common factor