Worksheet
Curated OER

Proportion to Percentage

For Students 7th
In this division instructional activity, 7th graders divide the proportion number given by the whole and move the decimal point to place to find the percent value.
Worksheet
Curated OER

Reteach: Decimals and Metric Measurement

For Students 4th - 6th
In this decimals and metric measurement activity, students read about multiplying and dividing powers of 10, then complete 4 problems. Next, students read about the metric system and convert 9 given measurements as instructed. A...
Worksheet
Curated OER

Converting Fractions into Decimals

For Students 5th - 6th
In this fractions and decimals worksheet, students solve 50 problems in which decimals are converted to fractions, place values in decimal numbers are calculated and decimal numbers are compared and ordered. This is intended for online...
Worksheet
Curated OER

Refraction Through a Triangle

For Students 9th - 12th
In this refraction through a triangle worksheet, students use a given diagram of light striking a triangular piece of plexiglass to determine the light ray's angle of incidence, the ray's angle of refraction, they use Snell's Law to...
Lesson Plan
Curated OER

Percents to Fractions and Decimals

For Teachers 7th
Seventh graders practice converting percentages to decimals. Through guided practice, they work to solve problems involving converting fractions to decimals. Working in pairs, 7th graders compete to be the first to solve the problem...
Lesson Plan
Curated OER

Measuring New Heights

For Teachers 8th
Eighth graders explore the metric system. After a class demonstration, they complete a worksheet on converting metric units. In groups, 8th graders measure their height. They graph the results of the classroom. They convert heights...
Unit Plan
Common Core, Inc.

Multi-Digit Whole Number Subtraction

For Teachers 3rd - 4th Standards
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
Worksheet
Curated OER

Understanding Scientific Notation

For Students 6th
In this understanding scientific notation worksheet, 6th graders read the examples, then practice 3 writing numbers with scientific notation and 3 numbers in standard form.
Lesson Plan
Curated OER

Light Beam

For Teachers 8th - 10th
Students measure and convert between units. In this geometry lesson, students investigate through measurements of distances. They relate the properties of circle to solving problems with radius, diameter and area.
Lesson Plan
Curated OER

Map Making/Floor Plans/Map Reading

For Teachers 4th - 6th
Students apply their knowledge of scale when mapping the classroom. They determine the use of a map legend and orient a map using a compass. They create the classroom maps using transfer graph paper.
Worksheet
Curated OER

Introduction to Infinite Series

For Students 10th - 12th
In this algebra worksheet, students find the pattern and nth formula for different series. They decide whether a sequence will diverge or converge. There are 13 questions.
Lesson Plan
Curated OER

Living in Base Ten

For Teachers 6th - 8th
Students explore scientific notation and the structure of the metric system.  In this middle school mathematics lesson, students read How Much is a Million? by David M. Schwartz to introduce students to the need for scientific...
Worksheet
Curated OER

Misconceptions in Mathematics: Multiplying Decimals

For Students 5th - 6th
In this misconceptions about multiplying decimals worksheet, students read several problems, and common misconceptions about the solutions, then read corrected solutions and complete follow-up exercises.
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 9th - 11th
Students solve problems using the Pythagorean Theorem. In this geometry lesson, students identify the sides and angles of a right triangle. They find the different trigonometric ratios and solve using sine, cosine and tangent.
Lesson Plan
Curated OER

Introduction to Decimals

For Teachers 5th - 6th
For this math worksheet, students are introduced to decimals by first studying pattern blocks showing a number with tens, ones and tenths. Students locate decimals on number lines and rulers and shade decimal pictures. Students compare...
Worksheet
Curated OER

Math Skills-Writing Scientific Notation

For Students 9th - 11th
In this scientific notation instructional activity, students perform basic math functions and express their answers in scientific notation.
Lesson Plan
Curated OER

Local Organism Sort

For Teachers 4th - 6th
Students determine what characteristics are useful in classifying items.  In this sorting organisms lesson students create and explain a classification scheme using familiar organisms. 
Lesson Plan
Curated OER

Arithmetic: Revision

For Teachers 4th - 7th
Students practice with a variety of simple equations involving addition, subtraction, multiplication and division. Explanation is followed by each block of equations given to solve. They are set loose to complete additional equations for...
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 4.nf Using Place Value

For Teachers 3rd - 5th Standards
Each part of this task highlights a slightly different aspect of place value as it relates to decimal notation. More than simply being comfortable with decimal notation, the point is for students to be able to move fluidly between and...
Unit Plan
Lesson Tutor

Lesson Tutor: An Introduction to Decimals

For Students 4th - 6th Standards
A complete introduction to the decimal system is provided here. Topics included in the discussion/lesson plan are: the meaning of and need for decimals, a place value chart, tips to help remember how and when to move the decimal point,...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Expressing Decimals in Thousandths

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to express a number in thousandths by moving the decimal to the right. The video is followed by additional problems for students to practice...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Expressing Decimals in Tenths

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to express a number in tenths by moving the decimal to the right. The video is followed by additional problems for students to practice the...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Expressing Decimals in Hundredths

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to express a number in hundredths by moving the decimal to the right. The video is followed by additional problems for students to practice...