Lesson Plan
Curated OER

Subtracting Monomials and Polynomials

For Teachers 10th - 12th
Students subtract monomials and polynomials by combining like terms. For this advanced subtraction lesson, students define the rules and properties for subtraction of polynomials. They apply the rules for addition to help with the rules...
Lesson Plan
Curated OER

"Zero-ing" In On Integers

For Teachers 6th - 8th
Students add and subtract integers.  In this integer activity, students use models to demonstrte the addition and subtraction of integers.  They describe zero pairs and write steps to add and subtract integers. 
Lesson Plan
Curated OER

A New Set of Numbers

For Teachers 6th
Sixth graders add and subtract positive and negative integers. For this integers math lesson, 6th graders review the number line as a class, with students representing the numbers and moving in a positive or negative direction to find...
Lesson Plan
Curated OER

Study Buddies: Counting Back Tens and Ones

For Teachers 1st - 2nd
In this math worksheet, students will work with a coach to solve a problem in which they must subtract by counting back by tens and ones. Students will follow a step-by-step process and notes are provided for the coach.
Worksheet
Curated OER

Understand Subtraction and Its Relationship to Addition

For Students 3rd - 4th
Understanding the relationship between addition and subtraction is the focus of this math worksheet. Students answer "true" or "false" to 14 statements regarding addition and subtraction. Answers appear at the end.
Organizer
Curated OER

Arithmetic with Positive and Negative Numbers

For Students 6th - 9th
For this arithmetic with positive and negative numbers worksheet, students 5 multi-step problems.  Students find the sum of positive and negative integers.  Students practive multiplying and dividing positive and negative...
Lesson Plan
Curated OER

I'll Halve S'More, Please!

For Teachers 3rd - 5th
Students describe a fraction in terms of sharing parts of a whole. They understand the meaning of the parts of a fraction and add and subtract like fractions. They apply fractions to problem situations and recognize and use equivalent...
Lesson Plan
Alabama Learning Exchange

The Mean, Median, and Mode Chain Gang

For Teachers 3rd - 6th Standards
Students analyze a set of data. They work in cooperative groups and use chain links to identify the mean, median, and mode of the chain.
Worksheet
Curated OER

Addition and Subtraction 3

For Students 2nd - 3rd
For this addition and subtraction worksheet, students subtract two-digit and three-digit problems with regrouping and use addition to check their answers. Students solve twenty problems.
Worksheet
Curated OER

Multiplication and Division 3

For Students 3rd - 5th
In this solving word problems worksheet, students multiply, subtract, and add to find the solutions to these multiple step word problems. Students solve six problems.
Lesson Plan
Curated OER

Native American Pebble and Pot Game

For Teachers Pre-K - 1st
Students participate in a game using 12 manipulatives.  In this addition and subtraction lesson students play a game originated by the Native Americans and  look at a number of items and calculate how many are hidden....
Worksheet
1
1
Curated OER

Moose Juice

For Students K - 1st Standards
Math can be delicious with a fun smoothie worksheet! Kids count the number of fruits that go into a smoothie in an activity worksheet, draw the fruit in the blender, and complete the addition problem on the side. Each page increases in...
PPT
University of Texas

Complex Numbers

For Students 9th - 12th Standards
Are complex numbers and binomials similar? This stack of slides provides an introduction to complex numbers and shows how to operate with them. The worked examples show a connection between operating with binomials and operating with...
Lesson Plan
Willow Tree

Fractions

For Students 7th - 10th Standards
There’s a fine line between a numerator and a denominator. Learners review operations with fractions and ensure they have the skills needed to progress in the course. Taking the time now to review these concepts allows individuals to...
Interactive
CK-12 Foundation

Subtraction of Fractions: Fragmented Fractions

For Students 5th - 8th Standards
An interactive challenges scholars to subtract mixed numbers. Pupils answer questions—multiple-choice, fill in the blank, and true or false—with help from virtual fraction strips. The practice closes with a discussion. 
Lesson Plan
Curated OER

20 Tickets

For Teachers 1st - 2nd Standards
A great hands-on activity involving adding and subtracting, beginner mathematicians determine how many games can be played with 20 tickets. Instead of tickets, youngsters use 20 counters or linking cubes to represent the amount of...
Assessment
1
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California Education Partners

Summer Olympics

For Students 5th Standards
Quickly get to the decimal point. The last assessment in a nine-part series requires scholars to work with decimals. Pupils compare the race times of several athletes and calculate how much they have improved over time. During the second...
Interactive
CK-12 Foundation

Expression Evaluation with Different Denominators: Adding Mixed Fractions of Water

For Students 6th - 8th Standards
An interactive challenges mathematicians to add mixed fractions with unlike denominators. Five questions—fill-in-the-blank and multiple-choice—build from one to the next leading the way to an open discussion about denominators and...
Worksheet
Curated OER

Quaternions

For Students 11th - 12th
In this quaternions worksheet, students solve and complete 7 different problems. First, they read and identify quaternions as expressions in a given form of ordinary real numbers. Then, students add and subtract a few problems by doing...
Worksheet
Curated OER

Addition and Subtraction

For Students 1st - 2nd
In this recognizing addition and subtraction word families worksheet, students subtract and then add the family equations. Students solve 32 problems.
Lesson Plan
Curated OER

The Big Buck Adventure

For Teachers 3rd - 4th
Students practice making change, and adding and subtracting money. In this money lesson, students listen to a reading of The Big Buck Adventure by Shelley Gil. They access teacher assigned web sites to practice making change, adding...
Lesson Plan
Curated OER

Islamic Inheritance Mathematics

For Teachers 9th - Higher Ed
Students determine how a woman's estate is divided among her beneficiaries according to Islamic inheritance law. They add and subtract fractions.
Worksheet
Curated OER

3-Digit Subtraction and Addition

For Students 2nd - 3rd
For this 3-digit subtraction and addition worksheet, learners problem solve with regrouping. In this fill in the blank worksheet, students answer sixteen problems.
Lesson Plan
Curated OER

Square Roots and Exponents

For Teachers 11th
Eleventh graders solve problems with roots and exponents. For this algebra lesson, 11th graders use the properties of powers to help them multiply, add, subtract and divide exponential functions. They take the square root of rational and...

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