Curated OER
Representing Fractions, Decimals, and Percents
In this fractions, decimals, and percents lessons, students explore various methods of representing fractions. They demonstrate situations that represent rational numbers. Students create a foldable exploring fractions, decimals and...
Mathematics Assessment Project
Division
When you divide two integers you can get a decimal form of a rational number that repeats. How do you interpret that number in real-world situations? Her is an example question: What does 2.6666666666 mean in terms of an amount of...
Curated OER
Bits and Pieces I
Sixth graders examine making smaller parts out of fractions and decimals. In this online interactive fractions, decimals, and percents lesson plan, 6th graders represent fractions with denominators of ten. Students then represent powers...
Curated OER
Multiplying Decimals and Mixed Numbers
Middle schoolers multiply decimals and/or mixed numbers. They explore the effects of multiplying decimals and mixed numbers. They practice estimating answers when a number is multiplied by a decimal or mixed number.
Curated OER
How Big Is That Star?
Aspiring astronomers study stars. They compare stars and explain the relationship between radius, mass, and diameter. By creating a star simulation, they discover how a binary star system's orbit can cause changes in the observed...
Curated OER
Representing Numbers Using Scientific Notation
Learners explore the concept of scientific notation. In this scientific notation lesson, mathematicians discuss how multiplying by a power of 10 affects the decimal. They play Powers of 10 Yahtzee. Students roll a die five times and each...
Curated OER
Penny
Students explore the concept of equivalency. In this equivalents lesson, students use pennies to show equivalency as they divide them into groups. Students also convert the pencils into decimals and fractions.
Curated OER
Shots, Standings, and Shopping
Rates and ratios can easily be applied to real-world situations. Learners explore a series of websites in order to procure comparable data. They define ratios and rates, view videos, and use the internet to explore how ratios and rates...
Curated OER
How Many Thousandths Are in Your Box?
Students identify the different place values. For this algebra lesson, students represent decimal place values with manipulatives. They identify the correct place value using commas and mathematical reasoning.
Curated OER
The Real Number System
Learners analyze the real number system. They discuss real numbers, rational and irrational numbers, integers, whole numbers, natural numbers and more of the real number in the system. They differentiate between all these numbers.
Education Development Center
Micro-Geography of the Number Line
Young mathematicians dive into the number line to discover decimals and how the numbers infinitely get smaller in between. They click the zoom button a few times and learn that the number line doesn't just stop at integers. Includes...
Curated OER
I'll Have an Order of Subtraction Please!
Students explore number values by completing consumer math worksheets. In this math functions lesson, students identify the use of a decimal in numbers and the place values that are represented when dealing with money. Students complete...
Curated OER
Get My Point!
Here is one of the better lessons I've come across on how to teach fractions and decimals. This lesson does a great job of showing how these two mathematical representations of numbers are interrelated. Some excellent websites, printable...
Illustrative Mathematics
Equivalent fractions approach to non-repeating decimals
Trying to get your class to think of decimals as fractions and vice versa can lead to interesting discussions. After all, we can usually understand quickly that 1/4 is .25 but why is 1/7 not so easy to convert? This activity looks...
Curated OER
Finding Equivalent Forms For Positive Rational Numbers
Learners discuss the relationship between and the equivalent forms of rational numbers. They will convert numbers from decimals to fractions, understanding they are equivalent, but just different forms.
MENSA Education & Research Foundation
Pi Day Fun!
In this multi-faceted introduction to pi, participants perform a bevy of pi-related activities. Ranging from measuring household items to singing pi songs and reading pi stories, this fun and non-intimidating resource serves to bring up...
Curated OER
California Gold Rush
Students discover the people who lived in California before and after the gold rush. They use primary source documents to identify how the finding of gold changed the area. They also discover the discrimation that was present during the...
Curated OER
Soil Excavation
Students comprehend how percent of change and multipliers are used to determine volume for removal and replacement of soils. They calculate soil volume percent changes using data tables. They apply formulas to solve a variety of...
Curated OER
Measurement Scavenger Hunt
Students review estimation, measurement, fractions, decimals while familiarizing themselves with a new classroom at the beginning of the year.
Curated OER
Right on the Money
Students are introduced to coins and bills in American currency. After watching a video, they practice making the same amount of money out of different combinations of coins and bills. Using the internet, they discover how much each...
Curated OER
Making Cookies- How many per hour?
Fifth graders measure how long it takes to make cookies. In this measuring time lesson, 5th graders explore how to manage time. Students decide when to start making breakfast on time, how to calculate playing time into their lunch time,...
Curated OER
Probability
Fifth graders study probability of events. They predict outcomes, and participate in hands-on experiments to find the probability of specified events. Afterward, 5th graders write probability of events in fractions and decimals.
Curated OER
ADULT ESOL LESSON PLAN--Concepts of Time and Money
Students identify different denominations of United States currency and symbols associated with money and reading prices. In addition, in pairs they identify examples of currency from newspapers and magazines.
Curated OER
Skittles Lab
Students use Skittles as manipulatives to practice computing decimals from fractions, computing decimals into percentages, and creating bar graphs from gathered data.