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Lesson Plan
Curated OER

Worksheet 31 - Infinite Sum

For Teachers Higher Ed
In this infinite sum worksheet, pupils identify an infinite geometric series, and use the Riemann sum. This one-page worksheet contains 6 multi-step problems.
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Worksheet
Curated OER

Finding Missing Sums and Addends

For Students 3rd - 4th
In this sums/addends worksheet, students find missing sums and addends in a set of 20 problems. Problems add 1 and 2-digit numbers. Answers included on page 2.
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Worksheet
Curated OER

Unknown Numbers in Sums and Differences

For Students 1st - 2nd
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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Worksheet
Curated OER

10 More or 10 Less

For Students 1st - 2nd Standards
Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...
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Worksheet
Curated OER

Mentally Add and Subtract 10 or 100

For Students 1st - 3rd
Don't let the title of this one fool you; scholars skip count only by 10 in this number sequence worksheet. They fill in missing numbers on a number line to complete each sequence, adding or subtracting 10. There are two addition...
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Worksheet
Curated OER

Apple Addition - To Sums of 10

For Students 1st - 2nd
In this addition worksheet, students add columns of one-digit numerals. They write their answer in the apple provided below the addition equation. There are 25 problems on a page and four pages are provided. Sums are not greater than 10....
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Worksheet
Curated OER

Addition with sums to 10

For Students 1st - 2nd
In this addition worksheet, students add one digit numbers with sums up to 10. Students complete 12 addition problems.
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Worksheet
Curated OER

Make 10 to Add: Practice

For Students 2nd - 3rd
In this adding to 10 worksheet, students learn how to solve addition problems with sums greater than 10 by first making ten and adding in the remaining numbers. In the second set, students find the missing number to add to ten to solve...
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Worksheet
Curated OER

Addition of Shape-Sums 10-18

For Students 1st - 3rd
You can add anything, so why not shapes? The class adds sets of different colored shapes, writing the addends and sums in the provided boxes. Tip: Have learners identify the colors and the shapes they are adding to build academic...
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Worksheet
Curated OER

Converting Fractions to Decimals

For Students 4th - 5th
These fractions need to be converted to decimals, but no calculator is needed. Scholars examine two examples which explain the process briefly before completing 16 fractions with denominators of either 10 or 100. For the next section...
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Worksheet
Curated OER

Addition

For Students 1st - 2nd
Each of these addition equations involves two addends that are multiples of 10. Although there isn't any regrouping necessary, some of the sums are three-digit. The first 16 of these 28 equations are vertically oriented and the second 12...
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Worksheet
Curated OER

Adding Up

For Students 1st - 2nd
Make addition visual in order to help beginners understand the concept. They add up beads on a string, examining an example before trying it on their own. Learners fill in addends and sums for these, and sometimes both. Although...
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Worksheet
Curated OER

Finding 10s

For Students 1st
For beginners to addition, sets of objects are the ideal way to make this concept understandable. For each of these sets they ring 10 and count the remaining. Then, scholars fill in the addends as 10 and the remaining number. The sums...
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Lesson Plan
Curated OER

Making a Ten

For Teachers 1st - 3rd Standards
An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, students are taught how to first make a ten and then add on the rest. A similar method is also...
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Worksheet
Curated OER

Adding and Subtracting from 10

For Students 1st - 2nd
Here is a nicely designed worksheet on adding and taking away from ten. Learners complete the simple problems with the help of a number line that appears at the top of the page. Some of the equations have a missing addend, but do have...
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Worksheet
Math Worksheets Land

Unknown Numbers in Sums and Differences

For Students 1st - 3rd Standards
You've hit the word problem jackpot with this set of 10 addition and subtraction scenarios! For each, learners have to find a missing number. Sometimes it is the sum or difference, and for others, an addend or minuend. For each, there is...
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Worksheet
Curated OER

Count How Many

For Students K - 1st Standards
How many now? Math beginners will benefit from this introduction to addition which doesn't even include addition symbols. They read number sentences in word form; however the numbers are in numeric form (for example, "1 and 2 more...
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Worksheet
Curated OER

Estimate Sums

For Students 2nd - 3rd
In this estimating sums learning exercise, students solve the six word problems using the information within the problem to estimate the sums.
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Worksheet
Curated OER

Sum of Interior Angles

For Students 10th
In this sum of interior angles worksheet, 10th graders solve 10 different problems that are related to determining the sum of various interior angles in figures. First, they determine the sum of the interior angles of a dodecagon. Then,...
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Worksheet
Curated OER

Polygon Sum Conjecture

For Students 10th
In this geometry worksheet, 10th graders identify the missing angles using the polygons sum conjecture. They measure exterior and interior angles using their angle theorems. There are 63 problems.
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Organizer
Curated OER

Santa's List Sums

For Students 3rd
For this two-digit addition worksheet, 3rd graders add 17 sets of two-digit numbers and write each sum. A 3-part bonus question requires students to add all 17 numbers together.
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Organizer
Curated OER

More Santa's List Sums

For Students 3rd
In this two-digit addition worksheet, 3rd graders add 17 sets of two-digit numbers and write each sum. A 3-part bonus question requires the students to add up all 17 two-digit numbers.
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Worksheet
Curated OER

Add and Compare enrichment 10.5

For Students 2nd - 3rd
In this addition instructional activity, students add the ones columns and fill in the carry squares, add the tens, then order the sums. Students solve ten problems.
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Worksheet
Curated OER

Missing Sums and Addends

For Students 3rd - 4th
In this recognizing two-digit addition facts worksheet, learners use a number line and addition facts to find the missing sums or addends in problems with and without regrouping. Students solve 20 problems.

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