Curated OER
Math Practice: Subtraction 7
In this subtraction practice worksheet, students solve 12 problems that require them to subtract 1 or 2-digit numbers from 1 or 2-digit numbers.
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Math Practice: Subtraction 9
In this subtraction practice worksheet, students solve 20 problems that require them to subtract 1 or 2-digit numbers from 1 or 2-digit numbers.
Curated OER
Math Practice: Subtraction
In this subtraction practice worksheet, students solve 12 problems that require them to subtract 1-digit numbers from 1-digit numbers.
Curated OER
Complex Numbers and Operations
In this algebra worksheet, students add, subtract and multiply using complex numbers. They apply the correct property of i as they solve. There are ten questions with an answer key.
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Numbers, Numbers Everywhere!
Explore properties of integers! In this algebra lesson, pupils add, subtract, divide and multiply using integers correctly. They differentiate between rational and irrational numbers.
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Matrices at the Speed of Light!
Perform operations using matrices in this algebra lesson. Middle schoolers add, subtract, and multiply matrices. Additionally, they solve systems of equations using matrices.
Curated OER
Fractions . . . Are They Intricate or Elementary?
Elementary schoolers add and subtract fractions and mixed numbers and identify equivalent fractions of the same number. They use marshmallows to help them add fractions.
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Operations on Matrices
A guided lesson using the WolframAlpha computer program. The class explores the basic operations of adding, subtracting, multiplying and dividing matrices to solve problems.
Curated OER
Symbols in Algebra
Students name and sketch numerical expressions. In this order of operation lesson, students add, subtract, multiply and divide using the correct order of operation. They perform four specific calculations for their motivation lesson.
Curated OER
Using Basic Properties to Solve Problems in Math
Learners identify and define the rules of properties of real numbers. They rewrite each of the problems listed using the commutative or associative properties. Pupils apply problem solving strategies to clarify situations in a table...
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I'll Halve S'More, Please!
An episode of Cyberkids is shown, and learners interact with web based activities to discover how fractions are parts of a whole. They study the names of fraction parts, add and subtract fractions, and recognize equivalent fractions.
Curated OER
Rooster's Off to See the World
Young learners listen to the book Rooster's Off to See the World, and complete simple math activities using the book. In this simple math lesson, students read and list the animals in the book. They arrange animal picture squares using...
Curated OER
American Indian Math
Upper graders examine Native American culture while practicing mathematical concepts related to patterns and estimation. They will use mental math to add/subtract single digit numbers.
Illustrative Mathematics
Baseball Cards
Here is a resource that demonstrates growth and the initial state of an equation. For this case, your class will be looking at baseball collections. How many baseball cards did the collector start out with, and how many were added or...
EngageNY
Grade 5 Math Module 1, Topic D, Lesson 10
Take a little bit away. The 10th section of an 18-part unit introduces subtraction of decimals. Scholars use a place value chart like they did with addition of decimals to organize and represent the problem. After using the place value...
Curated OER
Adding Integers
Students explore the concept of adding and subtracting integers. In this integer lesson, students use strips of paper (various sizes) to add and subtract integers. Students visualize the process of adding and subtracting integers.
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Money Subtraction: 10 Cent Increments - Euros
In this subtracting money worksheet, students solve the money subtraction problems by subtracting the numbers in increments of ten cents. Students subtract to solve twenty money problems.
Curated OER
Money Subtraction: 10 Cent Increments: Euros
In this subtracting money worksheet, students solve the money subtraction problems by subtracting the numbers in increments of ten cents. Students subtract to solve twenty money problems.
Curated OER
Money Subtraction: 5 Cent Increments - Euros
In this subtracting money worksheet, learners solve the money subtraction problems by subtracting the numbers in increments of five cents. Students subtract to solve twenty money problems.
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What's Below Zero?
Students examine the concept of positive and negative integers, adding and subtracting integers on a number line. They visit various Internet websites, solving problems using integers and completing a worksheet.
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Study Buddies: Counting Back Tens and Ones
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.
Curated OER
Mental Addition and Subtraction
Students play the online game ArithmAttack to practice mental math skills. They play the game to as many additions or subtractions as possible in sixty seconds. Afterward, they complete a paper based follow up exercise.
Curated OER
A New Set of Numbers
Sixth graders add and subtract positive and negative integers. In 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...
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"Zero-ing" In On Integers
Students add and subtract integers. In this integer instructional activity, students use models to demonstrte the addition and subtraction of integers. They describe zero pairs and write steps to add and subtract integers.
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