Alabama Learning Exchange
Mix it Up! Exploring the Commutative and Associative Properties of Addition
Examine commutative and associative properties with your class. They'll explore the relationships between addition and subtraction and investigate patterns as they solve addition problems. Links to an assessment and a table game are...
Curated OER
Two-Step Problems and Money Concepts
Elementary schoolers solve two-step equations and practice money concepts. They solve multi-step addition and subtraction contextual problems and apply money concepts to real life situations. Pupils use pictures and counters to help them...
Curated OER
Properties of Equality
What assumptions are made in order to solve equations? An instructional slideshow provides an overview and guided examples of how properties of equality can be used to justify each step in solving equations.
Alabama Learning Exchange
Systems on a Mission
Solve systems of equation problems using four different methods: elimination by addition or subtraction, graphing, elimination by multiplication, and substitution. Middle schoolers are then given a series of "missions" to complete.
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...
Buffalo State
Adding and Subtracting Positive and Negative Integers
A well-rounded unit on positive and negative integers is a great addition to your middle school math class. Learners work through five activities, each focused on a different skill, before playing a Game of Life to practice the...
Flipped Math
Unit 9 Review: Factoring
Make it complete. Pupils work through 16 problems to review factoring. The problems consist of straight factoring of polynomial expressions, solving equations by factoring, and applying factoring to real-world problems.
Curated OER
Electricity 2
Fifth graders build on what they already know and classify examples of electricity in their lives into two categories: static and current electricity. They explore the difference between static and current electricity and provide...
Curated OER
Simple Machines
Students engage in a lesson that is concerned with the concept of a simple machine and uses the law of motion to justify why they operate. Students explore the laws by constructing some simple machines to illustrate the concepts.
Curated OER
Hypothesis Testing: Two Sample Tests
High schoolers experiment and compare results of two populations. In this men and women populations lesson, students examine the difference in hand span for men and women. High schoolers calculate a norm based on their results. Students...
Curated OER
Tropical Travel choices
Students recognize the difference between needs and wants. In this tropical travel lesson, students observe a coin from the Northern Mariana Islands and plan a trip. Students read text about the island and complete a "weigh your...
Curated OER
Cost Calculations Lesson Plan
Students analyze data using graphs and equations. In this algebra lesson, students calculate the cost of lumber, convert price per foot to price per piece, solve equations using addition and subtraction and give exact answer when needed....
Curated OER
Get On Board
Students create a ticket table illustrating the cost of tickets by alternative transportation. In this number sense lesson, students write number sentences to compare and contrast difference information in their chart. Students figure...
Curated OER
Properties of Logarithms
For this logarithm worksheet, students describe the steps in solving logarithm problems. They determine the value of given logarithms and justify their answers. This three-page worksheet contains 7 problems. Answers are given at the...
Curated OER
Area and Perimeter of Rectangles
Discover the difference between area and perimeter. Learners are grouped in twos and threes and each group has one advanced/gifted learner to serve as the peer helper. They receive manipulatives to help them determine the area and...
Willow Tree
Solving Inequalities
What does solving an inequality have in common with solving an equation? Almost everything! A math resource focuses on the one exception. The examples lead learners through the steps of solving an equality when multiplying or dividing by...
Curated OER
Plastics and Rubber: What's the Difference?
Students observe how to classify things into groups based on physical properties. In this plastic and rubber instructional activity students group and sort items to help them to better identify properties.
Curated OER
Sources of Finance
Students determine the difference between internal and external sources of finance. They justify their judgment decisions and how they sources their businesses.
Curated OER
Estimating Solutions to Word Problems
Fourth graders explore number sense by completing word problems in class. In this estimation lesson, 4th graders define terms such as sum, difference, estimate and best. Students complete estimating worksheets based on the concept of...
Pennsylvania Department of Education
Adding Common Fractions
Fourth graders estimate various measurements. In this instructional activity on measurement, 4th graders estimate the length and mass of multiple objects. Students discuss the difference between a guess and a reasonable estimate and...
Alabama Learning Exchange
Pizza! Pizza! Pizza!
Fifth graders practice using money in everyday situations. They use their addition and subtraction skills as they work in cooperative groups to solve problems involving decimals.
Curated OER
Using Proof in Algebra
In this using proofs in algebra worksheet, 10th graders solve 2 proofs by applying the many rules from algebra for the Properties of Equality for real numbers. They name the property that justifies each statement as seen in the...
Curated OER
Examining Estimation
Second graders participate in various activities which help them explain and explain the difference between an estimate and an exact amount.
Curated OER
Weather and Climate Around the World
Students explain the difference between climate and weather. They gain concepts of currents and discuss how the currents have an affect on climate and weather. Students gain knowledge of the instruments that meteorologists use to predict...