Lesson Plan
Curated OER

The Right Angle

For Teachers 9th - 11th
In this algebra worksheet, students rewrite word problems using an algebraic equation to find the answer. There are 14 questions with an answer key.
Worksheet
Curated OER

Solomon's Game

For Students 10th - 11th
In this algebra worksheet, students solve a word problem by playing a game of Solomon, where they capture their opponents piece and remove them from the game. There is one problem with answer key.
Worksheet
Curated OER

Interstate Highway Trip

For Students 11th
In this algebra worksheet, 11th graders calculate a path taken without repeating and crossing the same path more than once. They are given clues to help-them find the right answer. There is a solution key with his word problem.
Worksheet
Curated OER

Computer vs Human Problem

For Students 9th - 11th
In this algebra worksheet, learners compare the way a human would solve an equations as compared to a computer. There is one problem with a solution key.
Worksheet
Curated OER

False Coins

For Students 9th - 11th
In this algebra worksheet, students use a balance scale to weigh coins and identify which coin is fake. It is important to have the scale balanced like you would an equation. There is an answer key.
Worksheet
Curated OER

Inequality as Distance

For Students 10th
In this algebra worksheet, 10th graders calculate the distance between two points using inclusive and exclusive values. They graph their results on a number line. An answer is provided.
Instructional Video2:21
Curated OER

How Do You Solve and Graph a Two-Step Inequality?

For Teachers 6th - 9th
Approach inequalities in a new way with this video! This video gives step-by-step instruction on how to solve a two step inequality and then graph the answer. Learners could use this video as a reference as they do homework, or you might...
Instructional Video2:56
Curated OER

How Do You Solve and Graph a Two-Step Inequality?

For Teachers 6th - 12th
Approach inequalities in a new way with this video! This video gives step-by-step instruction on how to solve a 2-step inequality and then graph the answer. Learners could use this video as a reference as they do homework, or you might...
Instructional Video2:43
Curated OER

How Do You Solve an Inequality by Multiplying by a Negative Number?

For Teachers 6th - 12th
Help your learners grasp inequalities with this video. A lecturer leads viewers through solving an inequality by multiplying by a negative number, citing the multiplication property of inequality and finishing with set notation. This is...
Instructional Video2:46
Curated OER

How Do You Solve an OR Compound Inequality and Graph It On a Number Line?

For Teachers 7th - 9th
Go over how to solve a compound inequality and graph it with this video. The video is clear and concise. A lecturer solves a compound inequality and graphs it on the spot, explaining each operation in detail. Great for in-class or...
Instructional Video1:58
Curated OER

How Do You Solve an Inequality by Dividing by a Positive Number?

For Teachers 6th - 9th
Is your class working on inequalities? If so, you might be interested in this video. This well-made video shows how to solve an inequality by dividing by a positive number. An instructor details each step, writing out her work as she...
Instructional Video2:02
Curated OER

How Do You Solve an Inequality by Multiplying by a Positive Number?

For Teachers 6th - 9th
Instruct your pupils on solving inequalities by multiplying by positive numbers with this video. The video presents how to do just this in step-by-step fashion. A straightforward video, this could be used to supplement your lesson during...
Instructional Video2:34
Curated OER

How Do You Solve an Inequality by Dividing by a Positive Number?

For Teachers 6th - 12th
Is your class working on inequalities? If so, you might be interested in this video. This well-made video shows how to solve an inequality by dividing by a positive number. An instructor details each step, writing out her work as she...
Instructional Video2:44
Curated OER

How Do You Solve an Inequality by Multiplying by a Positive Number?

For Teachers 6th - 12th
Instruct your pupils on solving inequalities by multiplying by positive numbers with this video. The video presents how to do just this in step-by-step fashion. A straightforward video, this could be used to supplement your lesson during...
Instructional Video3:21
Curated OER

How Do You Solve an OR Compound Inequality and Graph It On a Number Line?

For Teachers 6th - 12th
Go over how to solve a compound inequality and graph it with this video. The video is clear and concise. A lecturer solves a compound inequality and graphs it on the spot, explaining each operation in detail. Great for in-class or...
Instructional Video5:46
Curated OER

What's an Integer?

For Teachers 6th - 9th
Introduce your class to integers with this video. This video provides a definition of integers, using examples of numbers that are integers and numbers that are not. A straightforward video that could be used to teach the concept as well...
Instructional Video2:11
Curated OER

What's an Integer?

For Teachers 6th - 12th
Introduce your class to integers with this video. This video provides a definition of integers, using examples of numbers that are integers and numbers that are not. A straightforward video that could be used to teach the concept as well...
Instructional Video4:08
Curated OER

How Do You Solve an Inequality by Dividing by a Negative Number?

For Teachers 6th - 12th
With an enthusiastic instructor who writes clear steps on a whiteboard, this video demonstrates how to solve an inequality by dividing by a negative number. What makes this video stronger is the second part of the video, in which the...
Worksheet
DK Publishing

Real-Life Word Problems

For Students 1st - 3rd Standards
Prepare your second graders for word problems with a straightforward review worksheet. Use it after a unit on addition and subtraction up to 100, or after you have worked on money math. A sample word problem prompts young learners to...
Worksheet
Curated OER

Recognizing Multiples

For Students 3rd - 5th Standards
Can your fourth graders recognize multiples of 10? What about 11 and 12? Use this learning exercise to enhance your multiplication lesson, or to assess what your math learners already know about finding multiples. Given six sets of...
Lesson Plan
Curated OER

Using Proportions to Solve Problems

For Teachers 6th
Skittles and math? Pupils will work as a class to determine how many orange Skittles are in a large bag by using proportions. They will problem solve, estimate, and share their thinking. Then, they will each receive a small bag of...
Worksheet
Curated OER

Missing Tens

For Students 1st - 2nd
Foster mental math skills with this activity; combine with 10-rods to modify. Twenty problems provide plenty of practice to master subracting by tens. Missing addends promote algebraic thinking. 
Worksheet
Curated OER

Number Stories: Balloons (Minus 5)

For Students K - 2nd
Here are 3 subtraction problems and a built-in number line ready to build algebraic reasoning skills. Little learners subtract 5 balloons from the given number to find an answer. Each problem has balloons for them to count, cross out,...
Worksheet
Curated OER

3-Digit Subtraction-Missing Numbers

For Students 2nd - 3rd
The class completes a set of 12 problems, writing the missing number necessary to arrive at the given answer. All problems use 3-digit numbers. A great way to build algebraic reasoning.