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Showing Results for greatest common factor

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

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

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

Base Ten Arrays for Multi-Digit Multiplication

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

Distributive Property

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

Illustrating Fraction and Whole Number Products with Tape Models

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

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?

Equip your students with three great strategies to analyze place value and compare whole numbers up to the thousands place.

Let's Compare Whole Numbers

Let's solve multi-digit division problems! Students will feel more confident with their division than ever with this lesson that helps them practice dividing multi-digit numbers.

Multi-Digit Division

Your students will become junior math detectives as they hunt down the missing side of a rectangle by applying the area formula for rectangles. The only clues they have are the rectangle's area and the measure of one side.

The Case of the Missing Rectangle Side

Help your students make sense of the commutative property of multiplication by relating it to arrangements of cars in parking lots.

Parking Lot Multiplication

It’s time to learn a new strategy! Teach your students to use the partial quotients strategy to solve long division problems with one-digit divisors and no remainder.


Using the Partial Quotients Strategy for Division with One-Digit Divisors

Help kids master fractions with the fun, fast-paced, math comparison game Fraction Wars. After a review, students are split into pairs to practice quickly comparing fractions with different numerators and denominators.

Fraction Wars

Teach your students to add mixed numbers and improper fractions with the same denominator using the counting up strategy with number lines.

Sums for Mixed Numbers and Improper Fractions

Are your students hungry for math? In this lesson, students pretend to order their favorite takeout foods with their classmates all while practicing rounding decimals so that they know what to expect when the bill comes!

Menu Math: Rounding Decimals

By fourth grade, most students are familiar with story elements such as setting, characters, and plot. In this lesson, students will compare and contrast the elements in two stories with similar themes.

Compare and Contrast Short Stories

Teach your students to create equivalent fractions by multiplying by different fraction forms of 1 whole like 2/2 or 4/4. This lesson also includes drafts of area models.

Equivalent Fractions Using Area Models

Improve your students' comprehension of non-fictional reading through this lesson that teaches them about text features. Students will find their own text features and explain why they aid in the reading process.

Text Features: Reading that Makes Sense

Reading reflection topics like theme, problems, and solutions can be challenging concepts for young readers. Help your students make sense of these literary elements using dynamic organizers that draw comparisons between fiction texts.


Head to Head Fiction Reflections

That’s right! The theme applies to everyone! Use this interactive lesson to teach your students how to find the theme of a fictional text.

There’s No I in Theme-work!

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