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Activity
Education Development Center

Finding Parallelogram Vertices

For Teachers 5th - 7th Standards
Four is the perfect number—if you're talking about parallelograms. Scholars determine a possible fourth vertex of a parallelogram in the coordinate plane given the coordinates of three vertices. They read a conversation...
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Assessment
Illustrative Mathematics

Multiples of 3, 6, and 7

For Students 4th Standards
What are the common multiples of three, six, and seven? Assess young mathematicians ability to find the common multiples of three numbers in a straightforward math task.
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Assessment
Illustrative Mathematics

Comparing Growth, Variation 2

For Students 4th Standards
A twist on the first variation of the growth task, this task poses an argument on two explanations of which snake grew more, based on the idea that two is a larger part of six rather than 10.
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Assessment
Illustrative Mathematics

Comparing Growth, Variation 1

For Students 4th Standards
Young mathematicians compare the growth of two snake lengths in feet over one year in a straightforward word-problem task.
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Lesson Plan
1
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Roald Dahl

Matilda - Arithmetic

For Teachers 3rd - 7th Standards
Mr. Wormwood, one of the characters in Roald Dahl's Matilda, is not the most trustworthy of characters. Have student groups take on the roles of car salespeople and play a game to see who can make the most profit by selling refurbished...
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Interactive
CK-12 Foundation

Multi-Step Inequalities: Summer Camp

For Students 6th - 9th Standards
No chaperones are necessary to use this resource. Scholars solve a multi-step inequality problem on summer camp chaperones by using a pictorial representation. They write inequalities to represent various situations in this context.
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Interactive
CK-12 Foundation

Graphs in the Coordinate Plane: Functions on a Cartesian Plane

For Students 6th - 8th
Connect the dots to graph a linear function. Young mathematicians use an interactive to first plot provided points on a coordinate plane. They connect these points with a line and then answer questions about the slope and y-intercept of...
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Interactive
CK-12 Foundation

Ordered Pairs in Four Quadrants

For Students 6th - 8th Standards
One quadrant just isn't enough. Pupils learn to plot points in the four quadrants of a coordinate plane using an interactive. A set of challenge questions tests their understanding of the skill.
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Activity
Education Development Center

Finding Triangle Vertices

For Teachers 6th - 7th Standards
Where in the world (or at least in the coordinate plane) is the third vertex? Given two coordinate points for the vertices of a triangle, individuals find the location of the third vertex. They read an account of fictional...
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Worksheet
Math Drills

Valentine's Day Ordering and Comparing (E)

For Teachers 2nd - 4th
Love is in the air, and in a math table! Young learners chart the number of cards from each grade from least to greatest in three Valentine's Day word problems.
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Assessment
Illustrative Mathematics

Karl's Garden

For Students 4th Standards
Whose garden is bigger? Assess your class with the area task of finding out if Karl or Makenna's garden is bigger in area.
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Assessment
Illustrative Mathematics

Multiples of Nine

For Students 4th Standards
Which numbers are multiples of 9? Task class members to find the first ten multiples of 9 in a straightforward assessment activity.
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Assessment
Illustrative Mathematics

Using Place Value

For Students 4th Standards
Learners count by tenths, hundredths, or tens in a task that uses decimal place value strategies. The young mathematicians then use <, >, or = to make correct comparisons between expanded decimal notations.
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Lesson Plan
Illustrative Mathematics

Double Plus One

For Students 4th Standards
Practice doubling with a straightforward worksheet. Learners double plus one each number in the table, and then answer a series of hypothetical math equations.
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Assessment
Illustrative Mathematics

Expanded Fractions and Decimals

For Students 4th Standards
Complete the table by writing mixed numbers in expanded fraction and decimal notation. A versatile resource is a great addition to your fourth grade curriculum!
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Assessment
Illustrative Mathematics

Peaches

For Students 4th Standards
Subtracting mixed numbers is easy when the fractions have the same denominator. Here, young mathematicians are prompted to find out how many pounds of peaches are left after Alfredo gives some pounds to his neighbor.
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Assessment
Illustrative Mathematics

Fraction Equivalence

For Students 4th Standards
Why is six-tenths equivalent to sixty-hundredths? This is the question learners are tasked to explain in writing as well as with a picture.
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Assessment
Illustrative Mathematics

What's the Point?

For Students 4th Standards
Given a certain amount of points, how many line segments can you connect between them? How many close geometric figures can you create? These are the types of questions learners are asked to solve in a assessment-based learning exercise.
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Assessment
Illustrative Mathematics

Comparing Sums of Unit Fractions

For Students 4th Standards
First, add each set of fractions with unlike denominators. Then, compare their sums with the symbols <, >, or =. 
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Activity
Education Development Center

Integer Combinations—Postage Stamps Problem (MS Version)

For Students 4th - 7th Standards
Number patterns can seem mysterious. Help your learners unravel these mysteries as they complete an intriguing task. Through examination, collaborative groups determine that they are able to produce all integers above a certain value by...
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Interactive
CK-12 Foundation

Venn Diagrams: T-Shirt Mystery

For Students 6th - 8th
Sorting your t-shirts is easy with Venn diagrams. Individuals use a drag and drop interactive to classify shapes on t-shirts into Venn diagrams. A set of challenge questions tests whether the classification is correct.
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Worksheet
Curriculum Corner

Chrysanthemum: Name Graphing

For Students 2nd - 4th Standards
Let's graph the amount of letters in everyone's name in the class. Give the two-page sheet to class members to collect letter data and then translate their data into a graph.
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Interactive
CK-12 Foundation

Numerical Computations: Counting Out Probability

For Students 6th - 8th Standards
Keep your heads up while counting. Pupils use an interactive to create a table with the possible outcomes of flipping three coins and then determine the probabilities of getting certain combinations of heads and tails.
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Interactive
CK-12 Foundation

Fundamental Counting Principle with and without Repetition: Outfit Combinations

For Students 6th - 8th Standards
But I have nothing to wear! Using an interactive, individuals create all possible outfits from three shirts, one belt, and two pairs of pants. Answering a set of challenge questions helps them see what they have learned from the experience.