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Printables
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Houghton Mifflin Harcourt

Unit 2 Math Vocabulary Cards (Grade 4)

For Students 4th
The 28-page resource contains cards with terms relating to multiplicationĀ fromĀ inverse operations to front-end estimation to array. Each sheet contains two cards; one with the word and one with the definition.
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Worksheet
Curated OER

Mental Math Strategies

For Students 4th - 5th
In this mental math worksheet, learners read an information box that explains how to use breaking apart or compensation to solve addition or subtraction problems. Students add or subtract using mental math in 8 examples.
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Worksheet
Curated OER

Mental Math Strategies

For Students 3rd - 4th
In this mental math worksheet, students study the detailed instructions and examples for adding or subtracting numbers using "breaking apart" or compensation. Students solve 17 mental math problems.
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Worksheet
Curated OER

Mental Math

For Students 5th - 8th
In this multiplication worksheet, students use mental math strategies to multiply 2 digit numbers together. Students complete 7 problems.
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Lesson Plan
Curated OER

Mathematics Within: Algebraic Processes and Its Connections to Geometry

For Teachers 4th - 5th
Pupils analyze multiple strategies of multiplication: clustering, area model, breaking apart/decomposing, etc. They create their own strategies to approaching multiplication problems and share them with their classmates. Discussion...
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Lesson Plan
Curated OER

Combining and Breaking Apart Numbers

For Teachers 1st
First graders read Imogene's Antlers by David Small the create pipe cleaner antlers. Using these as a tool students combine and create number sentences. They continue to work through the framework of a software program.
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Worksheet
Curated OER

Simplify the Problem as a Strategy

For Students 4th
In this simplify the problem as a strategy worksheet, 4th gradersĀ  solve two word problems by breaking each one down into a simpler problem first.
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Lesson Plan
Pennsylvania Department of Education

Multiplication Using Arrays

For Teachers 2nd - 4th
Explore the concept of multiplication by using arrays. Classmates use arrays to gain a better understanding of multiplication. They break arrays apart to model the distributive property of multiplication over addition. The relationship...
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Lesson Plan
Curated OER

Data Scavenger Hunt

For Teachers 8th
Eighth graders discuss how data is collected and participate in data collection through a survey. They complete a scavenger hunt on the Internet to gain understanding of the data measures mean, median, mode, and range.
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Lesson Plan
Pennsylvania Department of Education

Adding and Subtracting Three-Digit Numbers by Jumping

For Teachers 2nd
Second graders use data to graph information and draw conclusions. In this lesson plan on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot change over...
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Lesson Plan
Curated OER

Add & Subtract Fractions w/Unlike Denominators, 2

For Teachers 7th - 9th
Young scholars use several examples to create a method for adding and subtracting fractions with unlike denominators. They present these methods to the class and then practice applying methods to sample problems.
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Lesson Plan
Curated OER

Pythagorean Theorem Investigation

For Teachers 8th
Eighth graders investigate the Pythagorean Theorem and practice applying the theorem to various triangles. Finally, in the next lesson in the sequence, 8th graders create a song or a story to help them remember the Pythagorean Theorem.
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Worksheet
Curated OER

Mitosis and Meiosis Exercise

For Students 9th - 11th
In this cell division instructional activity, students answer 15 multiple choice questions about both mitosis and meiosis. Topics include the outcomes of the processes, the phases of the processes and steps within each process.