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Lesson Plan
Curated OER

Mental Money

For Teachers 3rd - 4th
Students access prior knowledge to round numbers and add decimals. In this mental math lesson, students share the book Betcha and calculate estimates for three jars based on the book. Students calculate money answers based on coins...
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Unit Plan
National Security Agency

Introducing Integers and Their Operations

For Teachers 6th - 8th Standards
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class to...
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Lesson Plan
Curated OER

Mental Math

For Teachers 1st - 3rd
Students participate in an online computation game. For this computation lesson, students practice simple computations and use an internet site to review addition and subtraction facts.
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Worksheet
Curated OER

Reteach: Choosing the Method of Computation

For Students 3rd - 4th
In this computation methods worksheet, students read about reasons for choosing various methods, read a sample problem and reasoning, then solve 4 additional problems related to the sample problem. A reference web site is given for...
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Worksheet
Curated OER

Mental Math: Use the Properties-Reteach

For Students 4th - 5th
In this mental math reteach instructional activity, students review the commutative, associative and distributive properties, then complete a set of 13 problems. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Math Activity: "Snake"

For Teachers 4th
Fourth graders explore patterns by participating in a class math activity. In this early algebra lesson, 4th graders utilize a die and chart to keep record of a snake game in which students must utilize a math function to solve a problem...
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Worksheet
PBS

Working with Common Denominators: Activities and Supplemental Materials

For Students 4th - 6th Standards
Enjoy these straightforward and simple worksheet pages that practice with different denominators. The practice starts simple with adding fractions together and then works on a recipe that needs to be tripled. 
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Worksheet
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PBS

Working With Equivalent Fractions, Decimals and Percentages: Activities and Supplemental Materials

For Students 3rd - 8th Standards
Reinforce math concepts using six worksheets that coincide with Virtual Math Girl's video instruction. The practice pages' objectives include writing equivalent fractions, decimal equivalents, and converting percents to decimals and...
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Worksheet
Curated OER

Think of a Number

For Students 4th - 6th
In this math learning exercise, students engage in a mental math activity. Student think a number and follow several computations with that number and always come up with the answer 9. Students discuss why this happens.
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Lesson Plan
Curated OER

Mental Math: Addition and Subtraction

For Teachers 4th
Fourth graders exercise their minds in completing mental math skills of adding and subtracting by making multiplies of ten. They compute problems involving multiplication and division of whole numbers and addition and subtraction of...
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Lesson Plan
Curated OER

Blueberries for Sal

For Teachers K - 2nd
Students read the book "Blueberries for Sal" and complete various computation math activities with blueberries. In this computation lesson, students complete number sentences, play guessing games, and solve story problems using...
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Lesson Plan
Curated OER

Expert Estimators

For Teachers 3rd - 5th
A rich and well-designed lesson on estimation is here for you. The lesson utilizes a video; ITV Series: The Eddie Files 'Estimation: Going to the Dogs,' along with many websites. Several fantastic learning activities are...
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Lesson Plan
Curated OER

Is Bigger Always Better?

For Teachers 6th - 8th
Explore rational numbers with the young mathematicians in your class. They will investigate decimals, fractions, and percents before ordering and comparing rational numbers. This multi-day unit includes differentiation activities and...
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Lesson Plan
Curated OER

Subtraction-There's Got to be An Easier Way!

For Teachers 3rd
Third graders observe and demonstrate a variety of problems involving subtraction problems using mental math strategies. They discuss the base ten system and the basic concept of subtraction, and complete a variety of activities...
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Lesson Plan
Curated OER

Coin Carnival

For Teachers 2nd - 3rd
Students investigate the value of coins. For this coin value lesson, students read The Penny Pot by Stuart Murphy. Students expand on skills learned in the book and engage in activities to determine the value of a mixed set of coins...
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Lesson Plan
Curated OER

Estimation and Computation

For Teachers 2nd
Second graders practice their estimation skills using blocks. In this math lesson, 2nd graders explain how estimating makes addition easier. They complete a worksheet after the lesson to reinforce new learning.
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Unit Plan
Partnership for Educating Colorado Students

Mayan Mathematics and Architecture

For Teachers 4th - 8th Standards
Take young scholars on a trip through history with this unit on the mathematics and architecture of the Mayan civilization. Starting with a introduction to their base twenty number system and the symbols they used, this eight-lesson unit...
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PPT
DataWorks

4th Grade Math: Multi-Step Word Problems

For Students 4th Standards
Solving word problems requires reading comprehension and math computation. Through an interactive slideshow presentation, fourth graders observe and follow each step toward solve multiplication and division word problems. 
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Lesson Plan
Curated OER

Estimating Prices

For Teachers 4th - 5th
Students practice making reasonable estimates. In this consumer math, students round purchase prices of items to estimate the total cost. Students practice using metal computations to arrive at estimates.
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Activity
Illustrative Mathematics

Building toward fluency

For Teachers 2nd - 3rd Standards
Here is a great learning task that focuses on the development of areas in computational fluency including strategies in mental math. Young learners are guided through a list of addition expressions that help them visually understand the...
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Lesson Planet Article
Curated OER

Celebrating the Universal Language of Numbers

For Teachers 3rd - 6th
Math games and activities spark the imagination while building crucial skills.
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Lesson Plan
Curated OER

Investigations into Estimations

For Teachers 4th - 6th
Young scholars gain the powerful tools of estimation, prediction, and averaging and discover the importance these tools have in daily living.
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Lesson Plan
Curated OER

Numbers and Operations- 24

For Teachers 4th - 6th
Young scholars construct number sentences. In this computation lesson, students participate in a game using four numbers to make the number 24.
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Lesson Plan
Curated OER

C is for Cookie-A MEAN-ingful Graphing Activity

For Teachers 3rd
Third graders, in groups, dissect a variety of brands of chocolate chip cookies and calculate the mean for each brand. They create their own bar graphs, pictographs, and line graphs to represent information.