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Lesson Plan
Curated OER

Fact Families

For Teachers K - 2nd
Students create "fact families" using digital pictures of their classmates and knowledge of basic math concepts (subtraction and addition) in this technology-based math lesson intended for use in the early-elementary classroom. A...
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Lesson Plan
Curated OER

Math Shortcuts

For Teachers 3rd - 7th
Looking for a different way to introduce long division? Need a shortcut for checking multiplication answers? Then this is for you! The multiplication method uses a quick trick to check for accuracy. The division method allows learners to...
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Lesson Plan
Curated OER

Yummy Gummy Subtraction

For Teachers K - 3rd
Here is a quick 15 minute lesson intended to introduce subtraction. Learners count and subtract gummy bears to complete 5 problems. The lessons suggest that the gummy bears can be saved and used the next day, but gummy bears get gross...
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Curated Video

Reporting - Flagging

For Teachers 7th - 12th
While it may feel like you can post just about anything on YouTube, that's not the case. Teach your class about flagging inappropriate content. Learners watch a demonstration, practice flagging, and answer questions about online content.
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Lesson Plan
Curated OER

Math Lesson Plan : Finger Counting

For Teachers 1st - 2nd
Create a class of mathematics master. They practice addition to ten until they have mastered the skill. They use their hands to add numbers and eventually find the missing addend to make a sum of 10. They also subtract a single digit...
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Lesson Plan
Pennsylvania Department of Education

What Balances?

For Teachers Pre-K - 2nd
Young scholars explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances lesson, students identify the concept of subtraction as a balance. Young scholars use subtraction facts to generate...
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Lesson Plan
Curated OER

Subtraction Shopping

For Teachers 3rd - 5th
Learners subtract two digit numbers. They check each other's answers for accuracy.
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Lesson Plan
Curated OER

Equal Additions

For Teachers 5th - 6th
Students explore the relationships between numbers through the use of "equal addition" and "equal subtraction." Through the use of number sense, they are able to computer addition and subtraction problems mentally. Individually,...
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Lesson Plan
Curated OER

Duck Dominoes

For Teachers 1st
In this fact family worksheet, 1st graders use the domino pictured to write problems. Students create 2 addition and 2 subtraction problems for each of the 4 dominoes represented. Students then solve for 8 single digit problems at the...
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Lesson Plan
Curated OER

Pattern Puzzles

For Teachers 1st - 2nd
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
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Lesson Plan
National Security Agency

Place Value - Butterflies Floating Place to Place

For Teachers 3rd Standards
Learn about butterflies and place value in a series of interdisciplinary lessons! With several worksheets that reference butterfly facts in word problems, kids can practice science and math in one activity. Additional worksheets are...
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Lesson Plan
Curated OER

Codebreaker Math

For Teachers 2nd - 3rd
Learners solve addition and subtraction problems and decipher and write messages using a code. They read and discuss an informational fact sheet about the Navajo code talkers from World War II, and decode and re-code messages using math...
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Lesson Plan
Curated OER

Mystery Math

For Teachers 6th - 8th
Here is an interesting "trick" your young mathematicians can perform. They are taught how to find any number's "digital root," by following a set of detailed instructions. The process works for any number, and is the type of math puzzle...
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Lesson Plan
Primary Junction

Adding Tens

For Teachers 1st - 4th Standards
Build on your learners' confidence in quick addition as they discover strategies to add tens to two-digit numbers. After reviewing counting by 10's, they discuss tactics to add multiples of 10 to other numbers. They visualize how to...
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Lesson Plan
Curated OER

Grade 3: Make a Hundred

For Teachers 3rd
Third graders roll a die seven times, each time determining whether to add that number of tens or that number of ones to try to make a sum as close to 100 as possible without going over.
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Lesson Plan
Curated OER

Something's Hiding!

For Teachers 2nd
Second graders practice finding out how many tens and ones blocks are hidden from a given total. They mentally perform calculations involving addition and subtraction to explain the meaning of the digits in two to three digit whole numbers.
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Lesson Plan
Curated OER

All About Our Town

For Teachers 3rd - 6th
Pupils explore brochure writing. They work in groups to brainstorm and categorize important places in their community. In addition, they gather information from the Internet, take pictures using a digital camera, and create a community...
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Lesson Plan
Curated OER

Multiplying 11 (A)

For Teachers 3rd
In this mathematics worksheet, 3rd graders solve numerous problems by multiplying a two-digit number by a single digit number. They carry-over and add when necessary.
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Lesson Plan
Curated OER

Number Tick Tack Toe:

For Teachers 1st - 3rd
Young scholars practice basic addition and subtration facts to twelve and use thinking skills to win at tick tack toe.
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Lesson Plan
Curated OER

The Android Factory

For Teachers 4th - 10th
Students explore the idea that primitive virtual 3D objects can be reshaped to infinitely original combinations using additive and subtractive methods. They create 3-D objects with a computer which necessitates a cooperation of...
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Lesson Plan
Curated OER

Solve Story Problems: Sold! A Mathematics Adventure

For Teachers K - 2nd
Young mathematicians listen to the book Sold!: A Mathematics Adventure by Nathan Zimelman where they encounter ways to solve story problems. They then create and solve start unknown addition and subtraction equations. Resource builds in...
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Lesson Plan
Curated OER

Equal Shmequal by Virginia Kroll

For Teachers 1st - 3rd
Students read a book and complete exercises to explore the meaning of 'equals.' In this equal numbers lesson plan, students brainstorm the meaning of equals and read a story about the topic. Students use manipulatives to study balance...
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Lesson Plan
Curated OER

Hooked On Problem Solving

For Teachers 4th
Fourth graders use properties of operations and problem-solving strategies to do mental calculations, and look for patterns in the solutions. They create an array, using each of the digits 1-9 exactly once to form addition problems...
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Lesson Plan
Curated OER

Math Shortcuts

For Teachers 4th
While the idea is great, to help pupils understand shortcuts to solve multiplication and division problems, this lesson doesn't lay out the steps necessary for successful comprehension. There are a few examples to show how to use...