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Worksheet
Curated OER

Addition With three Addends

For Students 1st - 2nd
Your class can use this worksheet to practice addition with three addends. Each of the 20 problems requires them to add 3 single digit number together to find a sum.
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Lesson Plan
Illustrative Mathematics

$20 Dot Map

For Teachers K - 2nd Standards
Challenge the addition skills of young learners with this open-ended math problem. The task is simple, get from start to finish by connecting a series of three numbers. The trick is that the sum of the numbers must be less than or equal...
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Worksheet
Curated OER

Add Three Numbers - Leveled Problem Solving

For Students K - 2nd
There are many ways to add. Learners add 3 single digit number together to find an answer to each of the 6 word problems. A great worksheet that builds problem solving and basic addition skills.
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Worksheet
Curated OER

Addition: Missing Numbers with 3 Addends

For Students 1st - 2nd
In this 3 addend addition practice instructional activity, learners use their problem solving skills to solve 20 problems that require them to fill in the missing numbers in the problems.
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Worksheet
EdHelper

Addition: 3 Addends

For Students 1st - 2nd
For this addition worksheet, students use a number line to help solve 20 addition problems using 3 addends. Worksheet is part of a subscription site with links and is labeled as a sample.
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Worksheet
Curated OER

Addition: Three Addends

For Students 1st - 2nd
Learners add three single-digit addends to find their sums. There are 10 practice problems whose answers range from 0-10. 
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Worksheet
Curated OER

Adding Up

For Students 1st - 2nd
Sail through the land of three addends with this nautical-themed addition learning exercise. Scholars begin by using mental math to add seven sets of three numbers located on sailboats. Next, they apply this concept to eight horizontally...
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Worksheet
Curated OER

Real-Life Problems

For Students 1st - 2nd
How much does it cost to mail this letter? Scholars approach the real-life scenario of adding postage as they practice introductory addition. Each letter has a total amount it needs, and learners draw in the appropriately-priced stamps...
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Worksheet
Curated OER

Adding it Up!

For Students K - 1st Standards
These socks and towels each have three addends and are missing a sum; can your scholars figure it out? All addends are single-digit, however not all sums are. There are two examples done here, and once scholars have finished eight...
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Worksheet
Curated OER

Addition Word Problems, Single Digit - Three Numbers

For Students 1st - 3rd
Having a space to show work is a great way to gain insight into your learner's thinking. They solve 5 word problems and use the boxes provided to show their work.  An answer key is included.
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Worksheet
Curated OER

Money

For Students 1st - 2nd
Which coins do you need? Scholars are faced with a challenge: using only three coins they must find the exact amount needed for six items. The coins are standard US currency and are pictured at the top, however their value is not listed....
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Worksheet
Curated OER

Missing Addends

For Students 1st - 2nd
Where are all the addends? Addition novices solve 36 equations by filling in the single-digit addend to achieve the given sum. They reference several examples, each of which include object sets to help learners visualize the concept....
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PPT
Curated OER

Number Bonds to 10: Determine the missing addend

For Teachers K - 1st
Each slide contains a group of animals and an equation that adds up to 10. However each equation is missing a number, learners attempt to determine the missing addend to revile the number of animals hiding under the cloud. A fun,...
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Worksheet
Curated OER

Math – Addition :3 Addends of 1-Digit with Doubles

For Students 1st - 2nd
In this addition practice instructional activity, students solve 12 problems that require them to add 1-digit numbers with 3 addends. Two addends in each of the problems are doubles.
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Worksheet
Curated OER

Addition - Three 1-Digit Numbers

For Students 1st - 2nd Standards
In this addition practice activity, students practice their computation skills as they solve 30 problems that require them to add 1-digit numbers. Each problem has 3 addends.
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Worksheet
Curated OER

Addition Practice 3

For Students 1st - 2nd
For this addition practice worksheet, students solve 22 problems that require them to add with 1 digit numbers with 3 addends.
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Worksheet
Curated OER

Subtraction and Unknown Addends (to 20) - Matching Worksheet

For Students 1st
Piggies, puppies, dragons and other fantastical illustrations enable first graders to find the missing addends in a series of subtraction problems. After determining the unknown addend, pupils match the equations to the appropriate...
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Worksheet
Curated OER

Subtraction and Unknown Addends

For Students 1st - 3rd
Using images helps budding mathematicians grasp difficult subtraction concepts. For this set of three word problems, they examine sets of objects which are reflected in each scenario. To approach subtraction in a more accessible way, the...
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Worksheet
Curated OER

Unknown Addends (to 20): Count the Blank Boxes

For Students K - 1st
By filling in the blank squares, learners complete five addition number sentences both visually and numerically. For each problem, a frame is filled with a certain number of images (turkeys, candles, etc.) and a certain number of blank...
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Worksheet
Curated OER

Missing Addends: equal equations 3

For Students 1st - 2nd
Young mathematicians insert the missing addends to addition problems by making the equations equal on both sides of the equals sign. Students complete ten problems.
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Worksheet
Curated OER

Addition Grid

For Students 1st Standards
Which of these numbers add up to 20? Scholars find various addend pairs in a grid, circling those that add up to 20. There are many pairs they can find here, and the answer sheet offers some excellent kinesthetic practice ideas for...
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Worksheet
Curated OER

Addition: 3 Addends

For Students K - 2nd
In this addition worksheet, students practice adding together 3 single-digit numbers between 1 and 4. Students write their answers on the lines provided.
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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
DK Publishing

And 3 More Makes...

For Students K - 1st Standards
Addition is easier to grasp when scholars draw the addends as sets of objects. Add three more teacups to each of these four sets, calculating and recording the totals. There are four equations written out without images, each needing a...

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