Worksheet
Curated OER

Adding and Subtracting Integers

For Students 10th - 11th
In this algebra worksheet, learners solve problems containing integers using addition and subtraction. They add positive and negative numbers correctly. There are 30 problems with an answer key.
Worksheet
Curated OER

Calendar Trick

For Students 9th - 10th
For this algebra worksheet, students choose a 3x3 section of a calendar and use algebra to identify the middle and first number without being told what it is. There is an answer key.
Lesson Plan
Curated OER

Dividing by 4's

For Teachers 3rd
Third graders explore math functions by completing problem solving activities. In this division lesson plan, 3rd graders utilize the division strategies acquired earlier to divide multiple digit numbers by 4's. Students complete problems...
Worksheet
Curated OER

Adding and Subtracting Rational Expressions

For Students 9th - 11th
In this algebra learning exercise, students add and subtract rational expressions using the LCM. They combine like denominators before they add and subtract the expressions. There are 8 questions.
Lesson Plan
Curated OER

The Magic Squares

For Teachers 5th
Fifth graders devise and use problem solving strategies to solve a magic square arrangement. In small groups they explore various strategies including non-algebraic and algebraic techniques, write an explanation of their solution, and...
Worksheet
Curated OER

Word Problems

For Students 9th
For this algebra activity, 9th graders rewrite word problems into algebraic sentences. They define sum, difference, quotient and factors. There are 5 word problems with an answer key.
Worksheet
Curated OER

One of Einstein's Favorite Puzzles

For Students 9th - 11th
For this algebra worksheet, students are given a word problem and asked to find the number that someone wrote down without telling the other person. They follow specific algebraic steps to arrive at their solution. There is an...
Lesson Plan
Curated OER

Using Fractions to Represent M&M Colors

For Teachers 9th - 11th
Students investigate the concept of fraction and tangible application. In this algebra lesson, students use fractions to solve real life scenarios. They convert between fractions and decimals and identify the numerator and denominator.
Worksheet
Curated OER

Scientific Notations

For Students 7th - 9th
In this algebra worksheet, students rewrite numbers using scientific notations. There are 10 problems using positive and negative exponents with an answer key.
Lesson Plan
Curated OER

Balanced Systems of Equations

For Teachers 9th - 11th Standards
Students solve equations. In this algebra lesson, students relate solving equations to a balanced scale. They add, subtract, multiply and divide on both sides to keep the scale balanced.
Worksheet
Curated OER

Lucky Canceling

For Students 9th - 11th
For this algebra worksheet, students reduce fractions using cancellation. They cannot use zero and cannot use numbers with the same numerator and denominator. There is one problem with an answer key.
Worksheet
Curated OER

The Distributive Property

For Students 9th - 11th
In this algebra worksheet, students use the distributive property to solve expressions. They distribute negatives and numbers to get the correct answer. There are 30 questions relating to distribution.
Lesson Plan
Curated OER

Introduction of Single and Multiple Linear Inequalities

For Teachers 9th - 11th
Students solve linear inequalities. In this algebra activity, students rewrite inequalities using one and two step equations. They graph their findings and identify the slope and solution of the line.
Worksheet
Curated OER

Guess a Birthday

For Students 9th
In this algebra worksheet, 9th graders answer specific question about their birthday and follow through with 7 commands to get a final answer.
Lesson Plan
Curated OER

Metric System

For Teachers 8th - 10th
Young scholars solve problems using the metric system. For this algebra lesson, students convert between the metric system and the Imperial system. They use these two systems to solve real life problems.
Lesson Plan
Curated OER

Is the Slope Legal?

For Teachers 8th - 10th
Students define parallel and perpendicular lines. In this algebra lesson, students relate the concept of parallel and perpendicular lines to the real world. They classify the lines based on their slopes.
Worksheet
Curated OER

Practice Problems

For Students 4th - 7th
Students will add positive and negative fractions and whole numbers. Fractions will have different denominators. Students will reduce answers to simplest form.
Lesson Plan
Curated OER

Evaluating Expressions Using Tiles

For Teachers 6th
Sixth graders are shown a variety of algebraic equations. In groups, they use tiles to represent each expression in the equations. To end the lesson, they solve story problems with one and two unknown variables. Individuals share their...
Lesson Plan
Curated OER

Balanced Or Unbalanced

For Teachers 3rd - 5th
Students use physical models and graphs in order to solve problems that have their origin in the real world that require algebraic thinking. The words are changed into equations and inequalities in order to be solved. This requires...
Lesson Plan
Curated OER

What's The Point?

For Teachers 9th - 11th
Students solve word problems using the correct math symbols. In this algebra lesson, students use the TI calculator to graph their equation and analyze it. They find the line of regression and use to draw conclusion.
Lesson Plan
EngageNY

Matrix Addition Is Commutative

For Teachers 11th - 12th Standards
Explore properties of addition as they relate to matrices. Using graphical representations of vector matrices, scholars test the commutative and associative properties of addition. They determine if the properties are consistent for...
Lesson Plan
EngageNY

Trigonometry and the Pythagorean Theorem

For Students 9th - 11th Standards
Ancient Egyptians sure knew their trigonometry! Pupils learn how the pyramid architects applied right triangle trigonometry. When comparing the Pythagorean theorem to the trigonometric ratios, they learn an important connection that...
Worksheet
Curated OER

Multiplication Facts

For Students 4th
In this multiplication facts worksheet, 4th graders solve multiplication problems, find the missing numbers, and solve a word problem. In this problem solving worksheet, students find seventeen products. Examples of drawing pictures and...
Interactive
Curated OER

Estimating the Square- Root of Ten

For Students 9th - 11th
In this algebra worksheet, students estimate the square root. They rewrite the root as an exponential function and solve. They use the correct function notation. There are 10 questions.