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Lesson Plan
Curated OER

Estimation

For Teachers 3rd - 5th
Students estimate the cost of individual items found on a typical grocery list. They participte in a teacher-led demonstration, solve word problems, and estimate the cost of ten items placed into their group's grocery basket.
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Worksheet
Curated OER

Adding and Subtracting Decimals

For Students 3rd - 4th
In this addition and subtraction instructional activity, students complete a set of 16 simple problems. Page has multiple links to additional resources.
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Worksheet
Curated OER

Adding and Subtracting Decimals 3

For Students 3rd - 4th
In this adding and subtracting decimals worksheet, students complete a set of 16 simple problems using decimals to the hundredths place. Page has multiple links to additional resources.
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PPT
Curated OER

Multiplication PowerPoint

For Teachers 3rd - 4th Standards
Providing a step-by-step explanation of two-digit multiplication, a list of vocabulary words associated with this concept, and great examples, this resource would be a terrific classroom addition. Besides the set of of simple...
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Lesson Plan
Curated OER

Math Bingo

For Teachers K - 12th
Students solve math problems and mark their Bingo game cards correctly.
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Lesson Plan
Curated OER

In and Out Function

For Teachers 3rd
Third graders examine how to solve in and out function problems, or mystery numbers. They analyze a variety of mystery number problems together and extend the patterns. Students then independently complete a Mystery Number activity...
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Lesson Plan
Curated OER

Fraction Strips: Adding Fractions

For Teachers 3rd
Third graders problem solve using fraction strips. In this adding fractions lesson, 3rd graders create fraction strips to help identify fractional sizes (fourths, eighths, thirds) and to solve word problems.
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Worksheet
Curated OER

Mixed Bag Math

For Students 2nd - 3rd
In this math mixed practice learning exercise, students complete addition problems, missing numbers in sequences, word problems, and simple multiplication. 
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Lesson Plan
Curated OER

Math Game Using A Tic-Tac-Toe Board

For Teachers 1st - 6th
Elementary schoolers play a math game using a Tic-Tac-Toe Board. This simple idea can be used with virtually any grade level. A team of learners are the "O's," and the other is the team of "X's." Each time a team gets a problem correct,...
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App
ABCya

Math Bingo

For Students 3rd - 6th Standards
It's sometimes the simple games that really grab a learner's attention. With this game-like app, young mathematicians can practice addition, subtraction, multiplication, and division facts. When they reach new high scores, they collect...
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Lesson Plan
Curated OER

Fraction Food Frenzy

For Teachers 3rd - 5th
Students study addition of fractions with like denominators using illustrations and problem solving.
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Activity
Curated OER

Finding the Area of Polygons

For Teachers 3rd Standards
Third graders are exposed to finding the area of polygons by decomposing figures and recomposing them into rectangles. This strategy allows children to expand on their prior knowledge of constructing shapes by rearranging parts into...
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Lesson Plan
Curated OER

Fundamentals of Multiplication

For Teachers 3rd
Third graders examine how multiplication is a quicker and neater form of addition and how they can simulate the concept of groups and (sets) to construct the visual effect of multiplication by way of forming groups of (2's) (3's) and (4's).
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Lesson Plan
Curated OER

Take Me Out to the Ball Game

For Teachers 3rd - 4th
Students play a math game which assesses their mastery of selecting the appropriate operation to solve specific problems.
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Lesson Plan
Curated OER

Pirate Swords

For Teachers 2nd - 3rd
Students read the math problem and retell it in their own words. They brainstorm for ways to solve and use questions to focus on the steps used. Students could use other problems involving pirates from the given website.
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Lesson Plan
Curated OER

Adding and subtracting fractions: the same sized slice

For Teachers 3rd - 5th
Learners establish a strategy for adding simple fractions. They convert improper fractions to mixed numbers and interpret drawings and storyboards.
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Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 2nd - 5th
Learners perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Learners apply their multiplication, division, addition, and subtraction skills.
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Lesson Plan
Curated OER

Lollies, Lollies, Lollies

For Teachers 3rd - 5th
Students listen to the problem read to them. They answer some simple questions using number sentences. They then compose a written record of the solution and share their approaches used.
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Lesson Plan
Curated OER

Sharing More Lollies

For Teachers 2nd - 4th
Students examine the math problem, think about it and discuss with their classmates. They work on the rest of the problems in pairs using problem solving strategies and fractions.
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Lesson Plan
Curated OER

The Fathers' Day Card

For Teachers 3rd - 6th
Learners subtract using decimals and find half of a decimal number. They write and solve problems which involve decimals and which require a choice of one or more of the four arithmetic operations.
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Lesson Plan
Pennsylvania Department of Education

Use Order of Operations to Evaluate Expressions—No Grouping Symbols

For Teachers 3rd - 5th
Students identify and explain different types of data collection and graphs. In this graphs and data collection lesson, students record their observations of a variety of data collection tools and graphs displayed in the room. Students...
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Lesson Plan
Curated OER

Big Magic Squares

For Teachers 3rd - 5th
Students discover that magic squares are interesting objects in both mathematics proper and in recreational mathematics. So they are objects that students should have heard about and experienced.
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Lesson Plan
Curated OER

Adding in Parts

For Teachers 3rd
Third graders are able to split whole numbers into parts. They make numbers up to a tidy number. Students add and subtract tenths to make a decimals number into a whole number. They are able to add whole numbers up to three digits.