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Lesson Plan
Curated OER

Ten Cents a Word

For Teachers 3rd - 5th
Students recognize the importance of summarizing in this lesson. They "sum up" an article about monarch butterflies. Students practice writing summaries of the article charging themselves 10 cents/word. They try to write the least...
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Worksheet
Curated OER

Adding Tens

For Students 2nd
In this adding tens worksheet, 2nd graders find the sums to three addition math problems by adding tens together. Students study the example given.
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Lesson Plan
Curated OER

Easter Addition

For Teachers 2nd - 4th
In this Easter addition worksheet, students problem solve and calculate the answers to twenty-five addition equations and color all of the Easter eggs that have an even numbered sum.
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Worksheet
Curated OER

Rounding Riddles

For Students 6th - 7th
For this math worksheet, students solve seven riddles. Each riddle describes a number and involves rounding. Students round numbers in the riddle to find the solution.
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Worksheet
1
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Curated OER

Thanksgiving Addition: Worksheet 10

For Students 1st - 4th
Find the sum of the nineteen addition problems on this Thanksgiving-themed learning exercise. Your class will practice adding two 2-digit numbers with regrouping. There is also one word problem to be solved.
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Worksheet
Curated OER

Fun Math 67

For Students 1st - 2nd
In this finding the sums worksheet, students add one-digit plus one-digit numbers on a page with fun clip art next to each problem. Students solve 15 problems.
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Lesson Plan
Curated OER

Estimating Solutions to Word Problems

For Teachers 4th
Learners use estimation to determine the answers to word problems by rounding whole numbers. In this estimation lesson plan, pupils compare and contrast solutions using the best answer.
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Worksheet
Curated OER

Crabby Math

For Students 1st - 3rd
Here are 4 different (yet related) worksheets and an answer key for each. The class will work through each sheet, adding single-digit number to find sums. They then color in the sums that meet each worksheets instructions. For example:...
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Worksheet
Curated OER

Adding and Subtracting Integers: The Symbols + and -

For Students 6th - 8th
This worksheet begins with an explanation of how to add and subtract positive and negative integers. Learners solve and complete 20 different problems that include these types of problems. First, they fill in each blank with the correct...
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Activity
Illustrative Mathematics

Mixed Numbers with Unlike Denominators

For Teachers 5th Standards
There is more than one way to add mixed numbers. This worksheet asks 5th graders to find and record two ways. The purpose is to help pupils realize there are different ways to reach a common solution in math. The two most common ways are...
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Worksheet
Curated OER

Adding Decimals

For Students 4th - 5th
Adding decimals can be simple; show scholars the practical uses of adding numbers with decimals as they add measurements and amounts of money. The first eight equations are written vertically with some sums requiring a dollar sign, some...
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Worksheet
Curated OER

What's the Perimeter?

For Students 2nd - 4th Standards
Find the perimeter of squares and rectangles with a straightforward worksheet. An example at the top of the page shows third graders how to find the perimenter, along with the addition problem necessary to find it. Pupils then work on...
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Worksheet
Curated OER

Addition Drills, part 2

For Students 1st - 3rd Standards
Add them up! Scholars add up double-digit addends to find sums for 32 equations. There are three examples learners can reference if needed, and they have to regroup for many of these. The equations aren't numbered, so consider doing this...
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Worksheet
DK Publishing

Addition: Count and Color, part 3

For Students K - 1st Standards
Approach addition with sets of objects to show scholars the operation visually. There are four sets of images here arranged as addends in an addition number sentence. Learners count them and color in the total in a final set. All answers...
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Worksheet
Curated OER

Adding/Subtracting Integers

For Students 7th - 8th
In this integer worksheet, students find the sum and difference of positive and negative integers. Each equation contains two to three terms, with multiple operations. Thirty problems are provided, with an answer sheet.
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Worksheet
Curated OER

Cross Out

For Students 3rd
In this number grid worksheet, 3rd graders look over a number grid, cross out the numbers in 5 directives, fill in the blank to one question and then double check their answers. Students make their own original cross out grid.
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Worksheet
Curated OER

Adding 4 Numbers

For Students 2nd
In this addition worksheet, 2nd graders find the missing number in 11 addition problems involving adding 4 single digit numbers together to get a specific sum.
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Handout
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Curated OER

Math Handbook: Trigonometry

For Students 9th - 12th Standards
You'll be spinning in unit circles once you read through this jumbo-sized resource of everything you need to know about trigonometry. Each page has color-coded examples with explicit directions that detail the problems and formulas. 
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Lesson Plan
Curated OER

Circle the Wagons a Number is Missing

For Teachers 2nd
Second graders have an opportunity to work in pairs as they search for the missing addend to complete a mathematical sentence. They identify and demonstrate the ability to change the order of the addends and still produce the same sum....
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Worksheet
Curated OER

Missing Number Problem

For Students 9th - 12th
 In this secondary mathematics worksheet, high schoolers identify the ten positive numbers less than 1000 that cannot be written as the sum of consecutive natural numbers.  The one page worksheet contains one problem with the solution. 
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Worksheet
Curated OER

Money Addition (F)

For Students 2nd - 3rd
In this money addition worksheet, student find the sums of money amounts up to the tens place. They regroup as needed in each problem.
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Lesson Plan
Curated OER

Multiplication Facts for 2, 5, and 10

For Teachers 3rd - 4th
Students improve their multiplication skills by completing the multiplication equations for facts 2, 5, and 10. In this multiplication facts lesson, students use different colored markers to mark on a number line and skip count by 2s....
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Worksheet
Curated OER

Addition

For Students 2nd - 4th
In this addition worksheet, students find the sums to 6 vertical addition problems. They work with numbers to the ten thousands place and with problems that have up to 5 addends.
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Worksheet
Curated OER

Add Nine to Two-Digit Number Year 3

For Students 3rd
In this finding the sums worksheet, 3rd graders add the numeral nine to two digit numbers using word problems, input forms, and number problems. Students solve 18 problems.