Youngsters discover the difference between estimating and guessing. They estimate how many items are contained in a jar as they read a story. After the story, pupils discover the differences between estimating and guessing and create a...

Math novices examine how math can help them in real-world situations. They listen to the book The Math Curse by Jon Scieszka, solve various word problems from the book, explore various math websites, write original math word problems,...

Students analyze various beverages to determine vitamin C content. Students research diseases resulting from vitamin C deficiencies and identify countries most affected.

Third graders investigate two mathematic scenarios and determine which is correct. They compare adding columns and places (such as the tens place, hundreds place, and so on) and familiarize themselves with how to add larger numbers.

In this numbers vocabulary worksheet, students complete a 10 question matching quiz, matching math terms with their definitions. Answers included on page 2.

Middle schoolers calculate angle measure for triangles and complementary/supplementary angles. After a lecture/demo, students utilize a worksheet imbedded in this plan to gain practice.

In this multiplication and division worksheet, students practice multiplying and dividing whole numbers with different pictures to illustrate their problems. Students complete 29 problems.

In this math vocabulary worksheet, 6th graders match twenty-three math vocabulary words from column A to the definitions in column B.

Students graph integers on a number line. In this integers lesson, students create a colored foldable to assist them with notetaking and problem solving.  Students complete exercises from text.

In this matrix worksheet, learners organize given data into matrices and answer questions from given matrices.  Explanations, definitions, and examples are provided.

Students solve one step linear equations. In this algebra lesson, students manipulate their variables and numbers to answer each problem. They make sure the equations stay balanced at all times.

Students establish a strategy for adding simple fractions. They convert improper fractions to mixed numbers and interpret drawings and storyboards.

Learners complete a lab activity with polymers to allow them to better understand how to make "observations".  In this science lesson plan students make measurements and collect data.

This resource provides information about commutative and associative properties of addition.

The CoolMath resource can help students understand the associative property of addition.

Generate equivalent expressions using two additive properties. This video focuses on using the associative and commutative properties of addition to combine like terms, simplify expressions, and create equivalent expressions.

[Free Registration/Login may be required to access all resource tools.] Identify and apply the commutative and associative properties of addition in decimal operations

[Free Registration/Login may be required to access all resource tools.] Identify and apply the commutative property of addition and the associative property of addition in fraction operations

A detailed example is used to demonstrate the difference between the commutative and associative properties of addition.

Sing a song, practice step by step and assess your knowledge on the properties of addition with this interactive lesson.

In this lesson on adding and subtracting, students will learn to idenitfy and apply the commutative and associative properties of addition while utilizing their knowledge of fact families to correctly solve problems.

This resource provides information about the commutative and associative properties of multiplication.

Select a problem set, then select a question. Fill in the blank with the correct answer for each problem. When you have answered all of the questions, ask Charlie how you did.