Curated OER
Mental Math for Adding Decimals
Fifth graders work in groups to practice adding decimals. In this adding decimals activity, 5th graders call out different money amounts to each other and mentally add the coins called out. Students take turns calling out and adding the...
EngageNY
Grade 5 Math Module 1, Topic D, Lesson 10
Take a little bit away. The 10th section of an 18-part unit introduces subtraction of decimals. Scholars use a place value chart like they did with addition of decimals to organize and represent the problem. After using the place value...
EngageNY
Grade 5 Math Module 1, Topic D, Lesson 9
Introduces addition of decimals by using unit notation to represent the problem. Pupils use a place value chart to decompose the numbers and then add before connecting to the standard algorithm.
EngageNY
Sums and Differences of Decimals
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to decimals....
Curated OER
Study Buddies: Adding Decimals
For this math worksheet, students will work with a coach to add numbers with decimals to the hundredths place. Students will follow a step-by-step process and notes are provided for the coach.
Curated OER
Adding and Subtracting Decimals With Excel
What a great way to have pupils apply classroom learning to real-world skills! They complete problems involving the addition and subtraction of decimals related to banking-type questions, and then use a spreadsheet to display their results.
Virginia Department of Education
Practical Problems Involving Decimals
After discussing decimals and "going shopping" in the classroom, young mathematicians are given four practical word problems that require them to estimate their answers, given specific information. The highlight of the lesson plan is...
EngageNY
Grade 5 Math Module 1, Topic F, Lesson 16
See, decimal operations do come in handy! Pupils solve word problems that require adding, subtracting, multiplying, and dividing decimals. They use tape diagrams to express relationships and to identify the necessary operations to solve...
Illustrative Mathematics
Jayden’s Snacks
A quick activity to test the knowledge of your learners on adding and subtracting with decimals. They must calculate how much Jayden spent at the store and how much money he has remaining.
College of William and Mary
Decimal Operations Using Base 10 Blocks
Let's get this block party started and learn about decimals! Here are four main lessons that teach the operations with decimals while using base 10 blocks to provide a hands-on learning approach. Supplemental worksheets and other...
EduGAINs
Making Savvy Consumer Choices
It's never too early to learn about grocery budgeting. Middle schoolers delve into the world of consumer math with a activity that focuses on both healthy choices and real-world math applications. Groups work together to form a grocery...
Curated OER
Study Buddies: Adding and Subtracting Decimals
In this math worksheet, learners will work with a coach to add and subtract numbers with decimals to the hundredths. Students will follow a step-by-step process and notes are provided for the coach.
Curated OER
How Do You Spend Your Money?
Fifth graders examine ways to save and spend money. They look at ways that people earn, save, and spend money using chapters from Tom Birdseye's Tarantula Shoes. They add and subtract decimals to fill in a worksheet entitled, "Is It a...
Illustrative Mathematics
Gifts from Grandma, Variation 3
There are three money word problems in this activity, each one is set in the same context. The first asks what was the total amount grandma spent, the second how many grandchildren grandma has, and the third asks how much grandma spent...
EngageNY
Decimal Expansions of Fractions, Part 1
Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...
Illustrative Mathematics
Dimes and Pennies
Help your fourth graders make cents out of fractions and decimals with this short word problem. After learning that dimes are one-tenth and pennies one-hundredth of a dollar, students write a fraction and decimal for a given number of...
Curated OER
Math for the Frontier
Make history come to life by using the Frontier House series to engage young scholars in the past. Your class will "prepare" for a trip to 1833 Montana. They will learn about homesteading, frontier life, inflation, and cost of living....
Curated OER
Percentages: Fractions and Decimals
Second graders convert fractions to percentages. In this interactive whiteboard percentages lesson plan, 2nd graders problem solve using percentages, fractions, and decimals.
Illustrative Mathematics
Discounted Books
Adolescents love to shop, especially when an item is discounted. Here, shoppers only have a set amount of money to spend. Will they be able to make a purchase with the discount and tax added in? Percent discounts can be calculated...
Curated OER
Buggin' Out (Identifying and Adding Amounts of Money)
Students explore consumer math by participating in estimate exercises. In this currency instructional activity, students identify and define each piece of U.S. currency and their value to the monetary system. Students complete several...
Federal Reserve Bank
Financial Fables: Shopping Wisely with Olivia Owl
Cover two subjects with one instructional activity! First, dive into English language arts; read an eBook, answer comprehension questions, and complete a cause and effect chart about the financial fable, Shopping Wisely with Olivia Owl....
Curated OER
Math, Fractions, and Music
Young scholars discover the relationship between musical rhythms and fractions. They add musical notes together to produce fractions and create addition and subtraction problems with musical notes. Students complete worksheets and create...
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
Fractions Forever!
Middle schoolers identify proper, improper fractions, and mixed numbers. They reduce fractions to their lowest terms. They add and subtract fractions with different denominators, and multiply and divide fractions, as well as decimal...