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Worksheet
Curated OER

Twist and Check Times Tables

For Students 3rd - 5th
In this math worksheet, students look for the solutions to the multiplication tables and use the game cards to complete the problems.
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Interactive
Curated OER

Twenty Objects Trick

For Students 11th
In this math worksheet, 11th graders put 20 objects in the table and remove different item at different intervals. They recap how many item they removed total. There are 6 questions with an answer key.
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Lesson Plan
Curated OER

Hop to It

For Teachers 1st
First graders play a game of hopscotch, but hop to the answer of the addition or subtraction fact the teacher calls out.
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Lesson Plan
Curated OER

Using 10 to Add 7, 8, and 9

For Teachers 3rd - 4th
In this using ten to add to seven, eight and nine worksheet, students, working with a partner, practice adding various numbers to the number ten for mastery.
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Lesson Plan
Curated OER

Modeling and Recording Subtraction

For Teachers K
Students practice subtracting numbers from one through ten. For this subtraction lesson, students use counters and a workmat to complete several subtraction problems on an overhead projector.
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Lesson Plan
Curated OER

Inverse Relationship Between Addition and subtraction

For Teachers 1st
First graders review number facts to illustrate the relationship between addition and subtraction. In this inverse relationship lesson, 1st graders write an addition sentence and then invert the numbers to show the subtraction fact.
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Worksheet
Curated OER

Find the Sum

For Students 1st
For this addition worksheet, 1st graders find the sums for the addition problems. Students solve 18 problems and may color the images of the Halloween ghosts for fun. Students' objective is to enhance their addition skills.
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Worksheet
Curated OER

Arithmetic Series, Geometric Series, Partial Sums of Geometric Series

For Students 11th - 12th
In this Algebra II/Pre-calculus worksheet, students solve problems that involve arithmetic series and infinite geometric.  Students determine the partial sums of a geometric series. The three page worksheet contains forty-six problems. ...
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Worksheet
Curated OER

Math Lesson 16

For Students 1st
In these math lessons worksheets, 1st graders practice their math skills of double digit addition by completing the 20 pages of equations. Students use the carrying method to solve the problems.
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Worksheet
Curated OER

Math Practice Series Worksheet #3

For Students 1st
In this mathematics worksheet, 1st graders solve numerous addition problems by adding single and two-digit numbers to each other. There are 36 problems to solve on the sheet.
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Worksheet
Curated OER

Math Practice 2

For Students 1st - 3rd
In this math worksheet, students practice using the operation of addition to create the new sums from the word sentences. The answers are on page two.
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Worksheet
Curated OER

Sum Choice

For Students 9th - 10th
In this algebraic thinking worksheet, students are provided with the challenge of finding the sum of 100 by adding up a given list of 2 digit numbers. This worksheet contains 1 problem to solve and the solution.
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Worksheet
Curated OER

Subtraction Numbers to 9

For Teachers 3rd - 4th
In this math instructional activity, students find the answers to the 30 subtraction problems. The solutions can be checked by using addition.
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Worksheet
Curated OER

Understand Subtraction and its Relationship to Addition

For Students 3rd - 5th
In this subtraction and addition learning exercise, students calculate the answers to the subtraction problems and then check their answers using addition. There are 18 problems to solve on this learning exercise.
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Lesson Plan
Curated OER

Not So Snappy 10

For Teachers 4th - 5th
For this math worksheet, students look for the answers to each word problem that is focused around the number 10. They use the basic skills of arithmetic.
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Worksheet
Curated OER

Math Vocabulary Fill-In Puzzle

For Students 4th - 6th
In this math vocabulary puzzle, students use a set of definition clues given to solve a crossword puzzle. A reference web site is given for additional activities.
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Worksheet
Curated OER

Section 12-5: Addition and Subtraction of Radicals

For Students 9th - 11th
In this radical worksheet, students find the sum and difference of given radicals.  They simplify radical expressions.  This two-page worksheet contains 10 multiple-choice problems.  Answers are provided on the last page.
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Worksheet
Curated OER

Vectors

For Students 11th
In this Algebra II worksheet, 11th graders find the sum of a pair of vectors.  The two page worksheet contains a combination of nine multiple choice and free response questions.  Answers are included. 
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Worksheet
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Curated OER

Arithmetic or Geometric Series

For Students 11th
In this Algebra II/Trigonometry worksheet, 11th graders evaluate arithmetic and geometric series.  The two page worksheet contains ten multiple-choice problems.  Answers provided. 
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Worksheet
Curated OER

Radical Expressions: Add and Subtract

For Students 9th - 12th
In this radicals instructional activity, students simplify the sum or difference of radical expressions. There are 11 multiple choice questions.
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Worksheet
Curated OER

The Number Tool Box

For Students 3rd - 5th
In this solving a math terms crossword puzzle worksheet, students read the clues across and down and write the math terms in the blanks. Students write 19 answers. 
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Worksheet
Curated OER

Use the Clues

For Students 2nd
In this reasoning worksheet, 2nd graders, after looking over the example, read 3 clues 3 times to find the 3 numbers that make each sum in 3 boxes.
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Lesson Plan
Curated OER

Infinity

For Teachers 11th - 12th
Students determine the sum of an infinite geometric series.  In this determining the sum of an infinite geometric series lesson, students discuss how the sum of an infinite geometric series is a paradox.  Students use the sum of an...
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Worksheet
Curated OER

Trig Functions

For Students 11th - 12th
In this trig functions worksheet, students solve and complete 24 different types of problems. First, they find the limits for each trig function given. Then, students find xso that the given infinities series converges. They also find...