Lesson Plan
Curated OER

Pi Day (March 14)

For Teachers 4th
Fourth graders determine the value of ? by measuring the circumference and diameter of circular objects such as soup cans, Oreo cookies, etc..
Lesson Plan
Curated OER

The Nuts and Bolts of a Mathematical Expression

For Teachers 4th
Fourth graders complete a worksheet that asks them to order operations within a mathematical expression. students evaluate the expressions in the correct order using mental math and paper. The results are recorded on the worksheet.
Lesson Plan
Curated OER

Donut Dinero

For Teachers 3rd - 5th
Students set up a classroom currency exchange and explore the idea of bartering to get what they want. They create a monetary unit that is based on fractions and multiples of a standard unit, and compare this system to the U.S. monetary...
Lesson Plan
Curated OER

Fractions

For Teachers 4th
Fourth graders explore fractions. They use Skittles and M&M's to practice adding and subtracting fractions. Students review the numerator and the denominator of fractions. They count the number of each color of Skittles and M&M's...
Lesson Plan
Curated OER

Number Books

For Teachers 1st - 4th
Learners construct a book to illustrate number concepts. They write their numbers on a sheet of paper. Students in grade 1 discuss counting to 100 by different numbers. Pupils in grades (2-4) write basic addition or subtraction story...
Lesson Plan
Curated OER

Fractions Continued

For Teachers 4th - 5th
Pupils investigate the concept of using fractions to solve problems involving rational numbers. They order real numbers on the number line with the classification of fractions. Also students solve problems using the four operations with...
Lesson Plan
Curated OER

Equivalent forms of Fractions

For Teachers 4th
Fourth graders use kidspiration software to demonstrate understanding of the concept of equivalent fractions. Using a combination of manipulatives, computer software and writing teachers can easily assess student mastery of number sense.
Activity
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Subtracting Whole Numbers and Decimals

For Students 3rd - 8th Standards
If you are looking for a website that explains and defines subtraction with decimals you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.
Unit Plan
Lesson Tutor

Lesson Tutor: Addition and Subtraction of Decimals

For Students 4th - 6th Standards
This site is an online lesson plan and practice problems for students learning how to add and subtract two decimal values are provided here. Detailed explanation of both the methods and the practice questions are provided for easy...
Activity
Homeschool Math

Homeschool Math: Add and Subtract Decimals: Practice Problems

For Students 4th - 5th
This lesson contains a variety of exercises for adding and subtracting decimals with up to two decimal digits,