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Worksheet
Curated OER

Add Totals from Ten to Eighteen

For Students K - 1st
For this finding the sums worksheet, students add two colored shapes, write the numerical equation, and solve. Students solve 6 problems.
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Worksheet
Curated OER

Add Two Digit Numbers Horizontally

For Students 2nd - 4th
In this finding the sums instructional activity, students add two-digit plus two-digit horizontal numbers with and without regrouping. Students solve 16 problems.
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Worksheet
Curated OER

Arrange and Add

For Students 3rd - 4th
In this finding the sums activity, students rearrange the horizontal row of numbers from greatest to least and add. Students solve five problems. 
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Worksheet
Curated OER

Add the Fractions

For Students 4th - 5th
In this finding the sums of fractions instructional activity, students add one-digit fractions with uncommon denominators. Students solve five problems.
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Interactive
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Scholastic

Study Jams! Add & Subtract Mixed Numbers

For Students 5th - 7th Standards
Adding and subtracting mixed numbers need the same attention that regular fractions do by finding a common denominator. If you plan to use a vertical line-up of the fractions then this video is for you. It just introduces this method, it...
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Printables
SEN Teacher

Arithmetic Maker

For Teachers K - 6th Standards
With endless possibilities, you can create custom flashcards to take to class as easy as 1, 2, 3! Let this flashcard creator do the work for you, just chose the level of difficulty, add or subtract, and the number of place values. Each...
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Worksheet
Curated OER

Add and Subtract Fractions with Like Denominators: 2 (Word Problems)

For Students 4th - 5th Standards
For this fraction worksheet, fourth and fifth graders solve six word problems, all having to do with adding or subtracting fractions with like denominators. This worksheet can be adapted to the Common Core standards in math.
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Worksheet
Curated OER

Add Single Digits

For Students K - 2nd
Ever hear 4+4 is 8, 8+8 is 16? Well, that is called building automaticity and its a must have skill that follows kids throughout their entire career. This set of 20 worksheets each contains a set of addition problems that are intended to...
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Worksheet
Curated OER

It All Adds Up: Puzzle #11

For Students 3rd - 4th
In this addition puzzle learning exercise, students fill 10 blanks in the rows and columns of a puzzle grid. Students add across and down; sums must equal the number given at the end of each row. Students may not repeat any digits in a...
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Worksheet
Curated OER

It All Adds Up Math Puzzle

For Students 4th - 5th
In this math puzzle worksheet, students solve a 10 space addition puzzle in which the rows and columns add to be the number given at the end of each row.
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Worksheet
Curated OER

It All Adds Up - Puzzle Matrix #20

For Students 3rd - 8th
In this addition puzzle matrix worksheet, students determine what 8 numbers are missing from the matrix. They insert the proper numbers to make the numbers add up vertically, horizontally, and diagonally.
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Worksheet
Curated OER

It All Adds Up Puzzle #19

For Students 3rd - 4th
In this addition math puzzle learning exercise, students insert the correct digits in a puzzle grid so that the rows, columns and diagonals add up to the numbers given.
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Worksheet
Curated OER

It All Adds Up Puzzle #25

For Students 3rd - 4th
In this addition puzzle worksheet, students complete a 12 square addition puzzle. Students supply the missing addends which will make each row and column add up to be the sum that is given.
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Worksheet
Curated OER

It All Adds Up Puzzle #29

For Students 3rd - 4th
In this addition puzzle worksheet, students complete a 12 space grid in which rows and columns add up to be the numbers given. Students fill in the missing addends.
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Worksheet
Curated OER

It All Adds Up Puzzle #27

For Students 3rd - 4th
In this addition puzzle worksheet, students complete a 12 space addition square in which all rows and columns add up to equal the numbers given. Students fill in the missing addends.
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Worksheet
Curated OER

It All Adds Up -- Puzzle #17

For Students 4th - 8th
In this addition matrix puzzle worksheet, students insert 8 numbers that make the puzzle add up horizontally, vertically, and diagonally.
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Worksheet
Curated OER

It All Adds Up- Puzzle #35

For Students 4th - 5th
In this addition puzzle activity, students complete a 24 space puzzle in which all rows, columns and diagonals must add up to be the sums provided at the end of each.
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Worksheet
Curated OER

It All Adds Up---Puzzle #33

For Students 3rd - 6th
In this addition worksheet, students figure out the eight missing numbers in a puzzle. Students make sure that every column and row going across and down add up to the totals at the end of each row and column.
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Worksheet
Curated OER

It All Adds Up--Puzzle #34

For Students 3rd - 6th
In this addition worksheet, students figure out the eight missing numbers in a math puzzle. Students make sure that each row and column adds up to the totals at the end of each row and column going across and down.
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Lesson Plan
Curated OER

Make it Easier-- Add, then Take

For Teachers 3rd - 4th
In this math worksheet, students learn a mental math strategy in addition called compensation. When adding a number such as 29, students learn to add 30, then take 1 away. Students solve 25 problems in which they round to the nearest...
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Worksheet
Curated OER

Add Mixed Numbers with Like Denominators (J)

For Students 4th - 5th
In this mixed number addition worksheet, students add the whole numbers and then the fractions in the mixed number equations. Students then reduce the fraction to solve the 14 problems.
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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 learning exercise, learners add and subtract fractions with unlike denominators. They complete six problems.
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Lesson Plan
Curated OER

Campaign Ads That Subtract and Add

For Teachers 5th - 12th
Young scholars explore media and media misrepresentation of prodcts. They create a video of a person (with both good and bad pictures.) Using creative titles, students download a slideshow. They add sound effects and other Adobe Premiere...
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Worksheet
Curated OER

Mentally Add and Subtract 10 or 100

For Students 1st - 2nd
Find the missing digits in these number sequences. Each of the ten has one missing number and scholars must figure out what it is. Here's the pattern: all of these sequences involve counting by 10s. Learners add or subtract 10 to...

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