Lesson Plan
Curated OER

Percent-Decimal-Fraction Chart Worksheet

For Teachers 8th - Higher Ed
In this percent-decimal-fraction worksheet, students complete a table where one component is given and they find the other two missing equivalent figures, a percent, a decimal or a fraction. The problems on this worksheet are at an 8th...
Worksheet
Curated OER

Mineral Madness Crossword

For Students 6th - 8th
In this earth science worksheet, students find the missing vocabulary words related to the minerals of the earth found in the crust layers.
Worksheet
Curated OER

Exploring Infinite Sequences, Part II

For Students 8th - 10th
In this algebra activity, students identify the nth term of the sequence. They find the missing term in the pattern and what theorem justifies their choice. There are 12 questions.
Lesson Plan
Curated OER

Using a Multiplication Table

For Teachers 4th - 5th
Students complete patterns on a multiplication table. For this multiplication table lesson, students use partially completed multiplication tables to find the missing patterns to solve the table.
Worksheet
Curated OER

Arithmetic Commutative Property of Addition 3 Worksheet

For Students 5th
In this commutative property of addition worksheet, 5th graders answer 16 questions where they find the missing number in a addition sentence. 
Worksheet
Curated OER

Count by 2's

For Students 1st
In these counting practice worksheets, 1st graders practice counting by 2's. Students fill in the blanks for each of the number blocks by finding the missing number. Students complete four worksheets and 28 problems.
Worksheet
Curated OER

Geometric Applications

For Students 9th - 11th
In this geometric applications worksheet, students find the length of a missing side of a right triangle. They determine the perimeter of a polygon and find the distance between two lines. This two-page worksheet contains 28 problems.
Lesson Plan
Curated OER

Variables and Open Sentences

For Teachers 4th
Fourth graders examine the purpose of variables and identify the missing variable in open sentences. They observe the teacher solve a variety of problems, complete a worksheet as a class, and independently complete another worksheet. ...
Worksheet
Curated OER

Using Similar Polygons

For Students 10th
In this geometry activity, students use the properties of similar polygons to find the indicated missing length or the scale factor. The two page activity contains twenty-two questions. Answers are included.
Worksheet
Curated OER

Proportional Reasoning: Ratio Applications

For Students 8th
In this ratio applications activity, 8th graders solve and complete 24 various types of problems that include proportional reasoning. First, they solve each pair of similar figures for the given variable. Then, students write and solve a...
Activity
1
1
Curated OER

Geometry Project

For Students 9th - 12th Standards
Proofs are usually an intimidating assignment. An engaging lesson focused on geometric proofs may reduce the anxiety! Pupils choose between several triangle proofs to complete and work on completing them. The...
Assessment
Illustrative Mathematics

Invertible or Not?

For Students 9th - 12th Standards
Two for one—create an invertible and non-invertible function from the same data. The task presents a function table with missing outputs for the class to use to create two functions. One of the functions should have an inverse while the...
Activity
Beauty and Joy of Computing

Algorithms

For Teachers 9th - 12th
Introduces the class to the idea of searching a list by building a script. Learners modify a guessing game script that will find a number in a list. 
Lesson Plan
Rational Number Project

Initial Fraction Ideas Lesson 18: Overview

For Teachers 3rd - 6th Standards
Develop young mathematicians' ability to compare fractions with investigation into the number 1/2. After brainstorming a list of fractions equivalent to 1/2, children identify a pattern in the numerators and...
Unit Plan
Mathematics Vision Project

Module 6: Congruence, Construction, and Proof

For Teachers 8th - 10th Standards
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This...
Assessment
Mathed Up!

Trigonometry

For Students 10th - 12th
Learn how to solve a triangle. Young mathematicians view a video that explains how to apply trigonometry to find missing sides and angles of a right triangle. A worksheet tests their understanding of the concept.
Worksheet
K12 Reader

Little Women: Helping Father

For Students 3rd - 8th Standards
Jo's decision to sell her hair to bringing her wounded father home is a pivotal and poignant scene from Louisa May Alcott's Little Women. Class members read the excerpt and answer four questions about the details, vocabulary, and plot...
Lesson Plan
EngageNY

Unknown Angles

For Students 9th - 10th Standards
How do you solve an equation like trigonometry? Learners apply their understanding of trigonometric ratios to find unknown angles in right triangles. They learn the meaning of arcsine, arccosine, and arctangent. Problems include...
Activity
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Harper Collins

Amazing Women

For Teachers 6th - 8th Standards
Helen Keller became a teacher after her experience with Anne Sullivan, demonstrating to the world how valuable a dedicated mentor and determined spirit can be when overcoming adversity. Middle schoolers learn more about the influential...
Worksheet
Curated OER

Unknown Numbers in Sums and Differences - Step-by-Step Lesson

For Students 1st
First grade mathematicians will love to monkey around with an illustrated word problem involving missing bananas. They must decide how many bananas the monkey ate by counting the remaining bananas and by counting the number Lee had and...
PPT
Curated OER

Who Wants to be a Millionaire? Human Body Systems and Plants

For Teachers 5th - 7th
Fifteen multiple choice questions review a variety of biology topics. In game-show fashion, viewers answer questions about a plant's needs, the skeletal system, and the cardiovascular system. If you happen to teach these three topics...
Lesson Plan
Curated OER

Vertical Angles

For Teachers 7th - 11th
With a clean, direct resource like this one, learners can easily focus on the task at hand, which is clearly communicated. They practice figuring the missing measures of vertical angles given the measure of their complement or...
Lesson Plan
Curated OER

Representing the Unknown

For Teachers 6th - 8th
Student use mental math to solve linear equations. In this algebra lesson, middle schoolers solve one and two steps equations. They write expressions using variables to identify the unknown.
Lesson Plan
Curated OER

Elements

For Teachers 6th - 8th
Students explore the periodic table. For this Chemistry lesson plan, students will review how Mendeleyev predicted the missing elements in the periodic table. The students will then be assigned one of the missing elements to research...

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