CK-12 Foundation
Mental Math to Divide by Whole Number Powers of Ten: Mental Math to Divide Decimal Powers of Ten
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...
CK-12 Foundation
Mental Math to Divide by Whole Number Powers of Ten: Bouncing Decimal Point
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...
Math Doctor
Chapter 5: Decimal Notation
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...
EngageNY
The Decimal Expansion of Some Irrational Numbers
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...
Curated OER
Perfect Places!
Second graders study the decimal point and study tenths, hundredths, and thousandths. They explain ways to read and write decimals.
Math Worksheets 4 Kids
Percent into Decimal
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.
CK-12 Foundation
Decimal Multiplication: Reducing the Weight
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.
California Education Partners
Summer Olympics
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...
CK-12 Foundation
Add and Subtract Decimal Numbers: Losing Little Bits
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...
Curated OER
Dividing Whole Numbers by the Power of Ten
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...
CK-12 Foundation
Mental Math to Multiply by Whole Number Powers of Ten: The Rule for Tens
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...
CK-12 Foundation
Scientific Notation Values
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...
Curated OER
Decimal Place Value Chart
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.
Willow Tree
Percents
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...
Willow Tree
Rational vs. Irrational Numbers
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...
Curated OER
Dewey Decimal Rap
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...
MLC
Decimals Worksheets
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...
Curated OER
Does the Decimal Point Really Make a Difference?
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.
Curated OER
Multiplying and Dividing by 10
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...
CK-12 Foundation
Decimal Addition: Adding Little Pieces
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...
Curated OER
Operations with Decimal Numbers
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...
Curated OER
Decimal Place-Value Charts to Thousandths
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...
Curated OER
Decimal Search
Students locate and report on books using the Dewey Decimal System. They return the book to its proper place.
Curated OER
Counting Money and Making Change
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...