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Worksheet
Curated OER

Use what I know to find out what I don't know

For Students 3rd - 4th
In this addition and subtraction worksheet, students solve problems with whole numbers and with decimals to the 100's place. Students complete 36 problems.
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Worksheet
Curated OER

Addition Vocabulary Word Jumble

For Students 4th - 5th
In this word jumble worksheet, students unscramble the letters to spell words about addition and subtraction terms. Students spell 12 words.
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Lesson Plan
Curated OER

Three-Digit Addition and Subtraction (B)

For Teachers 3rd - 5th
In this adding and subtracting thee-digit numbers worksheet, students solve with mixed regrouping and no regrouping. Students solve 49 problems.
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Worksheet
Curated OER

The Case of the Missing Numbers

For Students 1st - 3rd
In this finding the unknown numbers instructional activity, students help Detective Digit solve addition and subtraction problems, match the answers with letters, and find the name of the number thief. Students solve and match 16 problems.
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Worksheet
Curated OER

Adding and Subtracting Integers

For Students 4th
In this online interactive integers worksheet, 4th graders solve 8 addition and subtraction integer math problems and problem solve 6 integers problems involving numbers from -20 to 20. Students check their answers online when done with...
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Worksheet
Curated OER

Ms. Wiehler's Spring Chalet Dinner Specials

For Students 6th - 7th
In this integer instructional activity, students play a credit/ debit game, complete 2 worksheets with addition and subtraction of integers, and answer a story problem. 
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Worksheet
Curated OER

Math Online Exercises

For Students 4th - 6th
In this online math problems instructional activity, learners complete and check on line a variety of math problems including twenty-four addition and subtraction problems, three word problems and filling in seventy-nine boxes involving...
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Worksheet
Curated OER

Algebra: Addition and Subtraction Equations

For Students 5th - 6th
In this algebra worksheet, students solve 6 problems in which students use the sample model to write equations. Students write the equation in words, replace the words with values from the model. and solve the equation.
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Worksheet
Curated OER

Pumpkin Math

For Students 2nd - 3rd
For this thematic Halloween math worksheet, students will use pumpkin seeds to complete the fourteen questions. Using the seeds, the students will work on addition and subtraction word problems, place value, and decipher odd and even...
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Interactive
Curated OER

Math worksheets for Kids

For Students 1st - 6th
In this math learning exercise, there are lots of links for different types of math problems. There are patterns and counting, addition and subtraction. This site is geared towards elementary kids.
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Worksheet
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Butterfly Fun

For Students 2nd - 3rd Standards
In this addition and subtraction instructional activity, students solve a set of nine two-digit addition and subtraction problems. Once finished computing, they color spaces with even-numbered answers blue and odd-numbered answers...
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Worksheet
Curated OER

Add and Subtract within 1000

For Students 1st - 2nd
Here are some practice problems with adding and subtracting three-digit numbers. Scholars complete three addition problems and three subtraction problems. None of these involve carrying over or regrouping. There are only two numbers to...
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Activity
Curated OER

Sum and Difference angle formulas

For Teachers 10th - 12th Standards
Learners use the sum angle formula for sine to derive the sum and difference formulas for cosine and tangent. The level of difficulty is quite high. Learners must be familiar with trigonometric identities as well as the characteristics...
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Worksheet
Curated OER

Add and Subtract with Unlike Denominators

For Students 5th - 8th
In this adding and subtracting with unlike denominators worksheet, learners add and subtract fractions with unlike denominators. They complete six problems.
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Worksheet
Curated OER

Addition Drill

For Students 1st - 3rd
A basic problem-solving worksheet has scholars completing 10 addition problems. The problems each involve two addends, and have single, double, and triple-digit numbers. Once they have found the sum, they locate the number from the list...
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Worksheet
Curated OER

Fact Families

For Students 1st - 2nd
There is something to be said for fact families. Classmates read problems and write related fact families and number sentences. There are 6 wonderful problems to solve.
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Worksheet
Curated OER

Add and Subtract within 1000

For Students 2nd - 3rd
There are some missing parts in these addition and subtraction problems. Scholars start by completing two number sentences, each involving all three-digit numbers. Then, they examine another number to determine the value of the tens...
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Worksheet
Curated OER

Add and Subtract

For Students K - 2nd
In these twenty pages of addition and subtraction problems worksheets, students subtract one-digit from one-and two digits, add one-digit plus one- and two digits, and both add and subtract to problem solve. Students solve 200 problems.
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Worksheet
Curated OER

One More/One Less Scoop

For Students K - 2nd
It's so simple: scoop a spoonful of counters, count them, and then make a set that is one more than that number. Next, make a set that is one less. The tangible nature of this basic addition and subtraction activity will keep learners...
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Worksheet
Curated OER

Two Word Problems

For Students 1st - 2nd
The class solves two basic word problems that requires addition or subtraction. They are encouraged to draw a picture that illustrates each problem.
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Worksheet
Curated OER

Same Picture Subtraction and Addition

For Students 2nd - 3rd
In this addition and subtraction worksheet, students make a subtraction and addition sentence for the same picture, then write additional sentences as instructed. A website reference for additional resources is given.
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Worksheet
Curated OER

One-Digit Addition and Subtraction [F]

For Students 1st - 2nd
In this addition and subtractions worksheet, students solve a total of 49 problems; all problems use one-digit numbers. Answers are included on page 2.
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Worksheet
Curated OER

Math Center: Fishing

For Students 1st - 2nd
In this math instructional activity, students reinforce addition and subtraction facts 0 to 12 by collaborating in a fishing game. Students fish for numbers with a magnet and create a math sentence, flipping a coin to determine the...
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Worksheet
Curated OER

Adding and Subtracting Positive and Negative Numbers

For Students 8th - 9th
In this math worksheet, students complete 32 addition and subtraction problems. The first 22 involve integers. There are 6 problems with positive and negative decimals. The last 4 problems are fractions.

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