Lesson Plan
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Exploring Graphs of Inequalities

For Teachers 9th - 12th Standards
Learn how to solve inequalities and graph their answers. Students use addition, subtraction, multiplication and division to solve problems. They analyze their graph using the TI calculator.
Worksheet
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Even More Significant Figures

For Students 9th - 12th
For this significant figures worksheet, students solve 12 multiplication, division, addition and subtraction problems and express their answers in scientific notation with the proper number of significant figures.
Lesson Plan
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Simplifying Expressions

For Teachers 9th - 10th
Learners simplify expressions by combining like terms. In this algebra lesson, students rewrite addition and subtraction equations using the correct terminology. They use Algeblocks to model and solve these expressions. They simplify the...
Worksheet
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Uncertainty Worksheet

For Students 9th - 12th
In this uncertainty worksheet, students solve 8 problems of addition and subtraction using the rules for uncertainty notation. They do the same for 7 problems for multiplication and division. Students add, subtract, multiply and divide...
Worksheet
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Adding and Subtracting Like Mixed Numbers (7)

For Students 5th
In this mixed number fractions worksheet, 5th graders add and subtract to solve the mixed number fractions. Students solve 10 fraction equations.
PPT
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Welcome to the Disappearing Man!

For Teachers 1st - 2nd
A fun presentation will delight your young mathematicians! Learners encounter a "robot" whose parts all have addition and subtraction problems in them. Each time a problem is solved correctly, that part of the robot disappears, until...
Lesson Plan
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A Human Number Line

For Teachers 6th
Sixth graders create a human number line through use of symbols, equality, inequality, addition, subtraction, solving equations and inequalities
Interactive
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Order of Operations--Addition, Subtraction, Multiplication & Division

For Students 4th - 5th
In this interactive mathematical computation worksheet, students solve 12 problems by using the order of operations. Students type their answers into the text box.
Worksheet
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One Step Equations (Addition)

For Students 3rd - 4th
In this math worksheet, students solve 40 one step equations which involve addition. Example: 45 + n= 56. Students solve each equation and tell the value of the variable.
Worksheet
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Subtraction - Numbers to 19 ( 3 of 3)

For Students 1st - 2nd Standards
In this subtraction worksheet, students find the differences in 30 vertical problems which use numbers up to nineteen. They do not regroup as they solve the problems in which they subtract a single digit number from a two digit number.
Worksheet
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Inverse Relationships (2)

For Students K - 1st
For this inverse relationships review worksheet, students use their math skills to solve 30 problems that require them to fill in the boxes with the appropriate numbers.
Worksheet
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One and Two digit addition

For Students 2nd - 3rd
In this addition instructional activity, students add one and two digit numbers together with and without regrouping. Students complete 6 addition problems.
Lesson Plan
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Adding and Subtracting With Negative Numbers

For Teachers 5th
Fifth graders access prior knowledge of calculating using a number line. In this adding and subtracting with negative numbers lesson, 5th graders use a number line to solve math problems.
Worksheet
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K12 Reader

Evaluating Efficiency

For Students 4th - 5th Standards
There's more than one way to solve a math problem! Introduce your class to this concept with a reading passage. After reading, learners answer five related questions.
Lesson Plan
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Grade 2: Texas Problem Solving

For Teachers 2nd
Second graders use numerical data about Texas to write and solve real-life problems involving addition and subtraction (or multiplication and division). They work in pairs to choose three numerical facts about Texas to use to make up...
Lesson Plan
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Adding and Subtracting Integers

For Teachers 6th
Sixth graders create electronic manipulatives to model addition and subtraction of integers. They are introduced to the software Inspiration and use techniques such as selecting and deselecting an object, resizing an object, moving an...
Handout
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Fraction Addition and Subtraction

For Students 5th - 6th
Students learn skills necessary for adding or subtracting fractions.
Lesson Plan
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Buying and Budgets

For Teachers 4th
Fourth graders add and subtract decimals as they use a table to solve budget based problems.
Lesson Plan
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Monkey Subtraction

For Teachers K
Students listen to the book Five Little Monkeys Sitting In a Tree, identify written numbers 0-9 and the symbol for subtraction; students subtract two single digit numbers using manipulatives, and recite the corresponding number sentence.
Worksheet
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Addition: Number Bonds to Fifty

For Students 2nd - 4th Standards
In this identifying numbers that total fifty instructional activity, learners use an addend and the sum fifty to write the missing number. Students solve 41 problems.
Worksheet
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Two-Step Equations with Decimals

For Students 8th - 9th
In this two-step equation worksheet, students use two-steps to solve for the unknown. Problems involving using addition, subtraction addition, and multiplication. This worksheet contains 18 problems and does contain an answer key.
Worksheet
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Matrices and Transformations

For Students 10th - 12th Standards
In this matrix worksheet, learners explore and solve problems with matrices by addition, subtraction, multiplication and using linear equations. There are 28 problems with some answers.
Lesson Plan
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Solving Equations with Variables on Both Sides

For Teachers 9th
Ninth graders solve equations with variables on both sides of an equation. In this algebra lesson plan, 9th graders use more than one step to arrive at their final answer. They solve linear equations by addition, subtraction, division...
Lesson Plan
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Food for Thought: Hunger???Around the Block, Around the World LESSON 2: Local Hunger and Malnutrition

For Teachers 9th - 12th
Students examine the difference between hunger and malnutrition. They study the idea of hunger as a theme in literature while discovering how communities can solve hunger problems.