This geometry lesson and video explain angle measure, how to measure angles with a protractor, and has varied exercises for the students.
This lesson about fractions and mixed numbers includes review exercises about mixed numbers. Learn how to change mixed numbers into fractions and convert improper fractions into mixed numbers by thinking of them as divisions.
Lesson includes a video & examples showing the common shortcut for multiplying & dividing decimals by powers of ten. [7:59] Provides exercises and word problems for practice.
A complete lesson about multiplying decimals by decimals. Video explains the rule for multiplying decimals with examples and practice exercises. [6:16]
Students learn about negative and zero exponents through video instruction and examples.
This lesson explains how to simplify fractions before multiplying them.
A 5th grade lesson about subtracting mixed numbers with like fractional parts.
A lesson about subtracting mixed numbers with like fractional parts using the strategies for the subtraction of regrouping and subtracting in parts (piece by piece).
Lesson teaches third graders about the concept of fractions.
Learn how to calculate percentages in this easy lesson.
This is an introductory lesson about the trigonometric function sine. Students will study several similar right triangles and the ratio of certain two sides in them.
This fourth-grade geometry lesson teaches the definitions for a line, ray, angle, acute angle, right angle, and obtuse angle. We also study how the size of the angle is ONLY determined by how much it has "opened" as compared to the whole circle. The lesson contains many varied exercises for students.
This is a complete lesson with instruction and varied exercises about how to multiply a whole number by a decimal.
This lesson provides an explanation for the common shortcut or rule for fraction multiplication with practice exercises.
This video geometry lesson [6:14] explains the concept of perimeter and has varied exercises for students to practice.
This site contains a free lesson on Prime Factorization in which students learn by doing practice problems.
5th grade lesson explains how to simplify a fraction.
This lesson plan provides students with an opportunity to practice drawing and measuring triangles and angles. It also shows pictures and gives definitions of each type of angle and triangle.