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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...
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Worksheet
Lorain County Community College

Solving Linear Equations in One Variable

For Students 7th - 10th Standards
Multiple-step problems don't have to equal tough problems. This worksheet provides a list of steps needed to go through multi-step equations that include combining like terms and distributing. With ten problems total, your learners will...
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Lesson Plan
Utah Education Network (UEN)

Subtracting Integers

For Teachers 6th - 8th Standards
Review the concepts of additive inverses and adding positive and negative integers. Relate understanding to the subtraction of integers. This is done with either the use of "Algeblocks" (any square or tile manipulative should do) or a...
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Worksheet
Curated OER

The Number of Neutrons

For Students 9th - 12th
Although the focus of this worksheet is the neutron, you cannot talke about them without also dealing with protons and electrons! Chemistry kids fill in a table of 14 elements, identifying the mass, atomic number, isotopic symbol, and...
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Lesson Plan
Willow Tree

Number Properties

For Teachers 7th - 10th Standards
The number of basic algebraic properties can become overwhelming for learners. A lesson explains and gives examples for all the basic algebraic properties. The resource is perfect to use as a way for pupils to organize and study the...
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Lesson Plan
Curated OER

Number Line Relay

For Teachers 7th - 10th
Students investigate the placements of numbers on a number line. In this algebra lesson plan, students visualise addition and subtraction on a number line.
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Worksheet
Curated OER

Add or Subtract

For Students 1st - 2nd
In this math worksheet, students solve thirty addition and subtraction problems. The problems contain one-digit and two-digit numbers.
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Worksheet
Curated OER

Subtracting Integers - A

For Students 4th - 5th
In this integer subtraction activity, students solve 26 problems in which integers are subtracted. Number range is from -10 to +10. There are detailed examples provided.
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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. 
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Lesson Plan
PBS

Adding Integers

For Teachers 6th - 7th Standards
Your sixth and seventh graders deepen their understanding of a number line and adding integers in this concrete, hands-on activity. Learners play "Warehouse Puzzle" and then discuss their game strategies and the characteristics...
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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...
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Interactive
CK-12 Foundation

Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction

For Students 6th - 8th Standards
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions. 
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Worksheet
Curated OER

Subtracting 6 and 5

For Students 2nd
In this mathematics worksheet, 2nd graders solve a number of problems by finding the difference of each. There are 30 problems to solve on the sheet.
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Worksheet
Curated OER

Adding and Subtracting Like Mixed Numbers (1)

For Students 4th - 5th
In this mathematics worksheet, students solve a number of problems by adding and subtracting similar mixed numbers. There are ten problems to solve on the sheet.
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Worksheet
Curated OER

Adding/Subtracting--More Than/Less Than

For Students 2nd - 3rd
In this counting in 10s worksheet, students look at 10 numbers and write down 10 more for each number. Students look at an additional 10 numbers and write down what is 10 less than in each number.
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Lesson Plan
Curated OER

Solving One-Step Equations

For Teachers 9th
Ninth graders explore the concept of a simple equation. They use addition and subtraction in one step in order to find balance to both sides of the equation. Students are encouraged to succeed using positive praise at the beginning of...
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Lesson Plan
Curated OER

What's That Number? 1-Digit Addition and Subtraction

For Teachers 1st - 2nd
In this subtraction and addition worksheet, students fill in missing numbers in problems necessary to arrive at given answers. All problems use 1-digit numbers only.
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Worksheet
Curated OER

Number Line: Negative Numbers

For Students 6th - 8th
In this graphing calculator worksheet for the TI-83 calculator, learners first observe a demonstration for calculating negative numbers. Next, students use their graphing calculator to answer 6 thoughtful T/F and short answer...
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Lesson Plan
Curated OER

A Human Number Line

For Teachers 8th
Eighth graders act out a number line using integers -10 to 10 on large cards. They practice addition and subtraction of these integers to gain explain the relative size of numbers.
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Worksheet
Curated OER

Subtraction with Three Digits

For Students 2nd - 3rd
In this mathematics worksheet, learners solve a number of problems by subtracting three-digit numbers from other three-digit numbers. There are 30 problems to solve on the sheet.
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Interactive
Curated OER

Subtracting Integers

For Students 4th - 6th
In this integer worksheet, students subtract integers to solve a set of 10 problems. Answers and hints are available on-line; a reference web site for additional resources is given.
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Interactive
CK-12 Foundation

Add and Subtract Three Mixed Numbers: Walking to School

For Students 6th - 8th Standards
Mixed numbers are the focus of a five-question interactive. Scholars move fraction pieces into strips and equations to find solutions. Questions challenge participants with multiple-choice, a true or false, and one discussion.
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Lesson Plan
Curated OER

Wallflowers: Adding and Multiplying Integers

For Teachers 8th - 10th
Students solve word problems in which they add, subtract, multiply, and/or divide integers, identify rules and patterns for multiplying and dividing integers, create scenarios that represent each expression, and evaluate expressions.
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Worksheet
Curated OER

Year 1: Use the Subtraction Sign: Subtraction Facts to 10

For Students 1st - 2nd
in this subtraction worksheet, learners solve ten problems in which numbers below 10 are subtracted. There is a number line on the page.