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Assessment
Inside Mathematics

Number Towers

For Teachers 9th - 12th Standards
Number towers use addition or multiplication to ensure each level is equal. While this is common in factoring, it is often not used with algebraic equations. Solving these six questions relies on problem solving skills and being able to...
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Worksheet
Curated OER

Adding Decimals

For Students 4th - 5th Standards
Explore the practical uses of adding numbers with decimals as scholars add measurements and money. The first 12 equations are written vertically with half the sums requiring a dollar sign and half a unit of measurement. The next six are...
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Interactive
Shodor Education Foundation

Graphit

For Students 5th - 12th Standards
No graphing calculator? No worries, there's an app for that! Young mathematicians use an app to graph functions. In addition, they can also plot data points.
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Lesson Plan
Curated OER

Using inverse Operations to Solve Equations

For Teachers 5th
Fifth graders solve equations. In this algebraic equations lesson plan, 5th graders use the inverse operation to solve an equation. The teacher reminds students to perform the operation on both sides of the equation. This lesson plan...
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Lesson Plan
Curated OER

Solve Simple One-Step Linear Equation

For Teachers 6th
Sixth graders solve one unknown number by using hands-on manipulatives after being introduced to the history of abstract mathematics through literature.
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Lesson Plan
Willow Tree

Solving Inequalities

For Students 8th - 11th Standards
What does solving an inequality have in common with solving an equation? Almost everything! A math resource focuses on the one exception. The examples lead learners through the steps of solving an equality when multiplying or dividing by...
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Lesson Plan
Kenan Fellows

Absorbance Curves: Using Spectrophotometers to Quantize the Effects of a Strong Acid on a Buffer

For Teachers 9th - 12th Standards
The Henderson-Hasselbalch equation combined logarithmic terms with the application of carbonic acid as a buffer solution. Scholars learn investigate equation and its applications through hands-on experiments. They collect data and...
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Lesson Plan
Curated OER

Handcarts - A Unique Form of Transportation

For Teachers 4th - 5th
An interesting historical fact about how handcarts benefitted to the Mormon pioneers is the context behind this math lesson. Using given facts and figures regarding the handcart, pupil pairs create math word problems, share them with the...
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Lesson Plan
Curated OER

Balancing Discoveries

For Teachers Pre-K - 2nd
Learners use a balance to help them with their addition facts. In this addition lesson plan, students also play the seven up game to memorize their facts.
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Lesson Plan
Curated OER

Using Tens Frames To Build Addition And Subtraction Facts To Ten

For Teachers 2nd - 4th
Students review the basic addition facts through ten. They use tens frames to show number patterns and number families. They also form subtraction facts to ten using dot patterns on a quinary frame. Given a number sentence they find...
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Worksheet
Curated OER

Decomposing Numbers Step-By-Step

For Students 1st - 2nd
Here are two addition-related exercises. However, bear in mind, the explanations are featured below each of them. Use this as an all-class warm up, revealing the explanations if and when you see fit. First, examine the four sets of...
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Worksheet
Curated OER

A Variety of Word Problems

For Students 5th - 7th
In this math word problems instructional activity, students solve math word problems about division, fractions, and money. Students complete 3 word problems.
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Lesson Plan
Curated OER

Story Problems

For Teachers 3rd - 5th
Youngsters learn how to solve story problems. They  listen to story problems, learn how to identify important information in a problem, and observe how to solve a story problem. Pupils practice solving an addition story problem with a...
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Worksheet
Curated OER

Multiplication of Whole Numbers

For Students 3rd - 5th
Rather than simply have your scholars memorize multiplication facts, be sure they understand the process behind each equation. There are four arrays of objects here; mathematicians write a multiplication sentence for each. Next, they...
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Lesson Plan
Curated OER

Problem Solving with Multi-Step Number Stories

For Teachers 3rd - 5th
Pupils solve multi-step number stories. They create number models to solve number stories.  Everyone chooses the appropriate operation to use after reading the problem, and then work in small groups to solve.    
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Worksheet
Curated OER

Add Integers

For Students 4th - 6th
In this adding integers practice instructional activity, students sharpen their problem solving skills as they solve 6 story problems.
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Lesson Plan
Curated OER

Standard Linear Form

For Teachers 9th
Ninth graders identify and describe the x-intercept as the place where the line crosses the x-axis as it applies to football. They create their own differentiations to reinforce the distinction between the x-intercept and the...
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Lesson Plan
Curated OER

Point-Slope Form

For Teachers 9th
Ninth graders explore the point-slope form of linear equations and graph lines in the point-slope form. After completing the point-slope equation, they identify the slope of a line through a particular point. Students explain the...
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Lesson Plan
Curated OER

Sloping and Intersecting a Linear Function

For Teachers 9th - 12th
Students examine and discuss typical linear equations, and the difference between a linear and nonlinear equation. They observe examples of linear equations and complete a worksheet.
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Worksheet
Curated OER

Visual Expressions

For Students 8th
In this visual expressions worksheet, 8th graders solve 10 different problems that use visual expressions to solve. First, they write the numerical expression for the models illustrated. Then, students use a number line to solve two...
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Lesson Plan
Curated OER

Graphing Integers

For Teachers 5th
Fifth graders explore the math concept of graphing integers. In this graphing integers activity, 5th graders examine visual examples. Students also practice solving problems that their instructors model.
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Lesson Plan
Curated OER

Book Title: You Can’t Buy a Dinosaur with a Dime

For Teachers 3rd - 4th
Students explore the concepts of multiple digit addition and subtraction. In this addition and subtraction lesson, students read the book You Can’t Buy a Dinosaur with a Dime and then discuss methods for solving a particular math problem...
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Lesson Plan
Curated OER

Perfect Squares and Factoring

For Teachers 9th - 12th
A teacher guided lesson on perfect squares and factoring. They discuss perfect squares, observe the expansion steps for finding the product, and practice solving problems. They complete a worksheet on perfect squares and factoring.
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Lesson Plan
Curated OER

Integer Algebraic Addition

For Teachers 7th - 10th
Students use algebra tiles to solve linear equations with integer solutions. In this algebra lesson plan, students use the additive inverse and the zero pair concept.