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Lesson Plan
Curated OER

Subtraction Relay

For Teachers 2nd - 4th
Learners play a team subtraction game, subtracting two-digit numbers and using addition to check their subtraction. They solve subtraction problems at the board while the team solves the same problem in their seats.
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Printables
Houghton Mifflin Harcourt

Unit 4 Math Vocabulary Cards (Grade 3)

For Teachers 3rd
Bring a set of 19 math vocabulary cards to your third grade math class. Each sheet contains two cards. The top half has the vocabulary word printed in bold text, while the bottom half has the definition of the word. Card topics include...
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Worksheet
Curated OER

Multiplying Whole Numbers

For Students 3rd - 5th
In this multiplication of whole numbers worksheet, students follow step by step directions to multiply two pairs of numbers without using a calculator.
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Worksheet
Curated OER

Practice in Prime Factorization

For Students 7th - 8th
In this practice in prime factorization activity, students solve 8 columns of 10 problems each about prime factors for two and three digit numbers, plus two review problems in each column.
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Lesson Plan
Curated OER

Estimate, Solve, and Check

For Teachers 1st - 2nd
Young scholars estimate, solve, and check a series of addition and subtraction number and word problems. They write their estimates on a recording sheet, compute and write the answer in the next column, and check their answer with a...
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Worksheet
Curated OER

Same and Different

For Students 1st - 2nd
For this mathematics worksheet, students first complete the tens place and then add the rest. Then they continue the patterns and compare each column. Students also fill in the missing addends and solve various word problems by writing a...
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Lesson Plan
Curated OER

A Borrower And A Lender Be

For Teachers 2nd
Second graders practice addition and subtraction in this fun, technology-based Mathematics instructional activity for the second grade classroom. The instructional activity includes resource links, video clips, interactive websites, and...
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Worksheet
Curated OER

Add and Subtract within 20 - Guided Lesson Explanation

For Students 2nd
Provide second graders with an explanation for how to find the total value of numbers written in a series of boxes.. The resource provides answers and explanations for problems on a referenced activity that is not included.
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Worksheet
Curated OER

Together Forever

For Students 3rd - 4th
In this transposing digits worksheet, students solve and complete 5 different addition problems. First, they transpose the letters to digits in each addition problem listed. Then, students determine which of the five possible answers...
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Worksheet
Curated OER

Four + One = Five

For Students 9th - 10th
In this algebra instructional activity, students decipher a cryptarithm to make an addition problem. They have to figure out what digit each letter represent to be able to solve this problem. There is an answer key with this problem.
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Worksheet
Curated OER

Arithmetic Revisions

For Students 9th - 11th
In this algebra instructional activity, students perform basic addition and subtraction operations by finding the missing digits. There are 30 questions dealing with multiplication, addition and graphing.
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Worksheet
Curated OER

Add and Subtract Decimals

For Students 4th - 6th
In this decimal activity, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
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Worksheet
Curated OER

Add and Subtract Whole Hundreds

For Students 2nd - 3rd
In this addition and subtraction worksheet, learners add and subtract whole hundred numbers. Students complete 5 problems on this worksheet.
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Lesson Plan
Curated OER

Number Tick Tack Toe:

For Teachers 1st - 3rd
Students 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

Critical Thinking - Week 11

For Teachers 12th - Higher Ed
In this critical thinking worksheet, students complete problems which require abstract reasoning and logic. They complete logic puzzles involving sums of an array, finding the maximum number of integers under given conditions, and card...
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Lesson Plan
Curated OER

Subtracting Greater Numbers

For Teachers 4th - 5th
In this subtracting greater numbers worksheet, students, with a partner, problem solve and calculate the answers to six addition equations.
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Lesson Plan
Curated OER

Race to 50/100

For Teachers 2nd
Second graders practice utilizing multiple tens frames and dice to race to fifty or one hundred. They calculate tens and ones to find out how many counters they have on their grid and how many more they need to get to fifty or one...
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Lesson Plan
Curated OER

Counting Money

For Teachers 2nd - 4th
Pupils read, write, and identify different coin combinations and use this information in real-world situations.
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Lesson Plan
Curated OER

Arithmetic: Revision

For Teachers 4th - 7th
Students practice with a variety of simple equations involving addition, subtraction, multiplication and division. Explanation is followed by each block of equations given to solve. They are set loose to complete additional equations for...
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Worksheet
Curated OER

Wedded Bliss

For Students 9th
In this Algebra I instructional activity, 9th graders solve a cryptogram involving addition. The one page instructional activity contains one question. Solutions are included.  
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Lesson Plan
Curated OER

Place Value Practice (Tenths)

For Teachers 5th - 8th
Students practice strategies solving problems with basic facts, framework, domain and early additive part-whole. They recall the compatible numbers to ten, solve problems with small numbers using a part-whole strategy and recall ten and...
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Lesson Plan
Education World

Counting with Marshmallows and Licorice

For Teachers K - 2nd Standards
Here's a tasty lesson on place value! Learners practice counting by ones and tens using mini-marshmallows and licorice sticks. They count and add the mini-marshmallows, and use the licorice sticks to represents tens.
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Lesson Planet Article
Curated OER

Place Value Lessons

For Teachers 2nd - 3rd Standards
Students can learn about place value using interesting lessons, activities, and games.
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Worksheet
Raytheon

Adding and Subtracting Decimals

For Students 5th - 7th
For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.