Curated OER
Butterfly Addition: Color by Numbers
Children learning to add numbers up to 11 develop the strategy of using the larger number as the first addend and counting on from there to find a sum. They define addition and review the meaning of the plus (+) symbol. To practice, they...
Curated OER
Roman Numerals
Count to 20 using roman numerals. It's a great way to practice addition and subtraction and to explore alternative number systems. Each of the six slides in this presentation include sound bites, a Roman to Arabic number equivalency, and...
Curated OER
Match the Sums and Differences Worksheet
Because these eight addition and subtraction equations are written horizontally, learners will need to either re-write them or use mental math to solve them. Depending on your objectives, either would be a fine use of this worksheet....
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Unknown Numbers in Sums and Differences
Beginners to addition and subtraction will have fun with these three word problems, which have accompanying visuals. They complete one problem with a missing difference, one with a missing sum, and a third with a missing subtrahend....
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Addition Drill
A basic problem-solving learning exercise 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...
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Pac Man Subtraction
Third and fourth graders engage in a game using visual symbols, auditory responses and tactile stimuli to further their understanding of subtraction. A worksheet imbedded in this plan explains how to teach the game.
Curated OER
Add and Subtract within 1000
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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Adding and Subtracting Decimals
For this addition and subtraction worksheet, students complete a set of 16 simple problems. Page has multiple links to additional resources.
Curated OER
Add and Subtract
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.
Curated OER
Bank Tellers and Math
Second graders learn what math skills bank tellers need to do their jobs correctly.
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Investigation - Snack TIme
Students explore solving addition and subtraction problems. They solve real life problems. Students participate in a simulation activity to find the missing addend. They demonstrate adding and subtracting whole numbers.
Curated OER
One More/One Less Scoop
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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Two Word Problems
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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One-Digit Addition and Subtraction [F]
For this addition and subtractions worksheet, students solve a total of 49 problems; all problems use one-digit numbers. Answers are included on page 2.
Curated OER
Math Center: Fishing
For this math worksheet, students reinforce addition and subtraction facts 0 to 12 by collaborating in a fishing game. Kids fish for numbers with a magnet and create a math sentence, flipping a coin to determine the operation used....
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Math Graphic Organizer
In this graphic organizer worksheet, 4th graders use the divided graphic organizer to help them enhance heir addition, subtraction, division, and multiplication skills.
Curated OER
Understanding Whole Numbers
In this understanding whole numbers worksheet, 4th graders use a computer program for instruction, then answer 16 problems about addition and subtraction.
Alabama Learning Exchange
"Like Terms", I Add Them
Ninth graders add and subtract polynomials. In this Algebra I lesson plan, 9th graders work practice problems as they view a PowerPoint presentation of the lesson plan. Both the horizontal and vertical methods of addition and...
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Addition and Subtraction: By Checkbook
Young scholars develop an understanding of the need for adding and subtraction skills in balancing a checkbook.
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Subtracting Three Numbers
Second and third graders practice subtracting problems with one digit, two digit, and three digit numbers. They complete 80 subtraction problems.
Curated OER
Using Fact Families
In this math activity, students write two addition problems and two subtraction problems for each fact family. Students also write in the missing addition or subtraction sign and answer 6 questions about a word problem.
Curated OER
Estimating Sums and Differences
Work on rounding, estimating, adding, and subtracting with a helpful math worksheet! Fifth graders study different sets of addition and subtraction problems, and after rounding each number to the leading digit, they estimate what the sum...
EngageNY
Mid-Module Assessment Task: Pre-Calculus Module 4
Challenge scholars to show what they know about properties and addition and subtraction formulas for trigonometric functions. The resource provides a mid-unit check on the progress toward mastery of trigonometric concepts. The areas...
Curated OER
Subtract With Unlike Denominators - Practice 5.4
Fifth and sixth graders subtract 15 mixed fractions with unlike denominators and reduce each one to their simplest form. They write and solve two subtraction problems for each model shown. Pupils find the value of n in four Algebra...