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Interactive
CK-12 Foundation

Mental Math to Divide by Whole Number Powers of Ten: Mental Math to Divide Decimal Powers of Ten

For Students 6th - 8th Standards
Boost mental-math skills with an interactive that focuses on dividing whole numbers by powers of 10. Mathematicians solve five fill-in-the-blank and multiple-choice questions with help from a moveable decimal point in four example...
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Interactive
CK-12 Foundation

Mental Math to Divide by Whole Number Powers of Ten: Bouncing Decimal Point

For Students 6th - 8th Standards
Five questions challenge mathematicians to divide whole numbers by powers of 10. A tool highlights how a bouncing decimal moves through the divisor. Question types include multiple choice and fill in the blank. A discussion question...
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Worksheet
Math Doctor

Chapter 5: Decimal Notation

For Students 5th - 8th Standards
Explore all things decimal in this thorough series of introduction activities. Including scripting for the teacher and detailed descriptions and examples, the plan begins by reviewing the basics of place value and writing fractions as...
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Lesson Plan
EngageNY

The Decimal Expansion of Some Irrational Numbers

For Students 8th Standards
Develop a definition of irrational numbers through an exploration of square roots. The 11th instructional activity in this series of 25 asks scholars to estimate the value of a square root. Learners observe as the estimation extends...
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Lesson Plan
Curated OER

Perfect Places!

For Teachers 2nd
Second graders study the decimal point and study tenths, hundredths, and thousandths. They explain ways to read and write decimals.
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Worksheet
Math Worksheets 4 Kids

Percent into Decimal

For Students 4th - 6th Standards
Young business entrepreneurs will need to know how to calculate interest rates before making millions. Empower their knowledge with a worksheet on converting percents into decimals.
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Interactive
CK-12 Foundation

Decimal Multiplication: Reducing the Weight

For Students 5th - 8th Standards
Eight questions challenge mathematicians to multiply decimals. A color-coded tool with movable parts assist participants in answering word problems. Item response types include fill in the blank, multiple-choice, and a discussion.   
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Assessment
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California Education Partners

Summer Olympics

For Students 5th Standards
Quickly get to the decimal point. The last assessment in a nine-part series requires scholars to work with decimals. Pupils compare the race times of several athletes and calculate how much they have improved over time. During the second...
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Interactive
CK-12 Foundation

Add and Subtract Decimal Numbers: Losing Little Bits

For Students 4th - 6th Standards
An interactive offers five questions that challenge scholars to subtract decimals. A diagram featuring a tree and birdhouse with moveable parts is designed to assist mathematicians in finding solutions. Types of questions include...
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Lesson Plan
Curated OER

Dividing Whole Numbers by the Power of Ten

For Teachers 5th Standards
Knowing how to properly place the decimal point when dividing by powers of ten is an important skill. Here is a lesson plan which should give your learners a good understanding of this technique. One nice thing about the lesson plan is...
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Interactive
CK-12 Foundation

Mental Math to Multiply by Whole Number Powers of Ten: The Rule for Tens

For Students 6th - 8th Standards
Eight questions challenge scholars to use mental math while multiplying whole numbers by powers of 10. A tool with bouncing decimals demonstrates how and where the decimal moves. Question types include several multiple-choice, a...
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Interactive
CK-12 Foundation

Scientific Notation Values

For Students 6th - 8th Standards
Scientific notation is the focus of a five-question interactive. A model with movable points offers a visual reference to help solve true or false, multiple-choice, and fill in the blank questions. A discussion question challenges...
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Worksheet
Curated OER

Decimal Place Value Chart

For Students 5th - 6th
In this decimal place value chart worksheet, learners work independently to fill in the blanks on the chart so that the numbers equal out correctly and the missing words are stated correctly.
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Lesson Plan
Willow Tree

Percents

For Students 7th - 10th Standards
We see percents everywhere! Building a solid understanding of their meaning is important to future mathematics, but also as citizens. Young scholars practice rewriting decimals, percents, and fractions. They also determine percents of a...
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Lesson Plan
Willow Tree

Rational vs. Irrational Numbers

For Students 7th - 10th Standards
Build an understanding of rational numbers and their counterpart irrational numbers. Lead learners through an explanation of rational numbers and the ways they can be expressed. Then introduce them to irrational numbers and make...
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Lesson Plan
Curated OER

Dewey Decimal Rap

For Teachers 5th - 6th
Students analyze four books and find the appropriate number in the Dewey Decimal System. In this Dewey Decimal System lesson, students compare their analysis with the reason they are placed in the library. Students create a rap and make...
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Handout
MLC

Decimals Worksheets

For Students 4th - 7th Standards
Make sure your students' understanding of fractions is on-point using this series of skills practice worksheets. Covering a variety of topics from basic place value and fraction/decimal conversion, to performing all four operations with...
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Lesson Plan
Curated OER

Does the Decimal Point Really Make a Difference?

For Teachers 4th
Fourth graders study the decimal dilemma and discover major math mistakes in the real world with cheeseburgers advertised for .99 cents each or colas for .89 cents each.
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Worksheet
Curated OER

Multiplying and Dividing by 10

For Students 2nd - 4th
Once young mathematicians understand how easy it is to multiply and divide by 10, they'll be hooked! They complete four sections of 12 problems each, all involving this skill. First, scholars find the product of various whole numbers...
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Interactive
CK-12 Foundation

Decimal Addition: Adding Little Pieces

For Students 4th - 6th Standards
A five-question interactive test scholars' knowledge of adding and subtracting decimals. A tool aids in problem-solving with movable parts that reveal addends and sums. Question types include one discussion, fill and in the blank, and...
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Lesson Plan
Curated OER

Operations with Decimal Numbers

For Teachers 6th
Sixth graders demonstrate operations with decimal numbers. In this computation lesson, 6th graders play the game "Diabolical Decimals." The objects of this game is to construct the largest number after rolling a die five times. The...
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Organizer
Curated OER

Decimal Place-Value Charts to Thousandths

For Students 5th - 6th
In this math worksheet, students use this blank place value chart to aid in understanding decimals to the thousandths place. The chart has space for a whole number, a decimal point and tenths, hundredths and thousandths. There are no...
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Lesson Plan
Curated OER

Decimal Search

For Teachers 4th - 8th
Students locate and report on books using the Dewey Decimal System. They return the book to its proper place.
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Lesson Plan
Curated OER

Counting Money and Making Change

For Teachers 2nd - 3rd
Students count collections of coins and one-dollar bills. They solve problems and learn to use the dollar sign ($) with the decimal point to represent money amounts. This lesson is important as a foundation for future math concepts in...