Curated OER
Decimal Addition-Missing Addends #2
In this decimal addition worksheet, students supply the missing addend necessary to arrive at a given sum. Page includes an answer link.
Curated OER
Commutative Property of Addition
Here are 10 simple addition problems intended to provide practice for those learning the commutative property of addition. Each question asks learners to fill in the missing addend that makes each equation true. An answer key is provided.
Curated OER
Add and Subtract Two-Digit Numbers
Learners complete two double-digit problems, one addition and the other subtraction. They also determine the missing addend in two additional problems. An explanation as to how to solve both problems is included.
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Missing Addends
In this missing addends worksheet, students fill in one missing addend in a problem to arrive at the sum of 20, 5 problems total. An answer key is included.
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Addition: Missing Numbers with 3 Addends
In this 3 addend addition practice worksheet, students 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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Domain: Operations and Algebraic Thinking
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
Curated OER
It All Adds Up Puzzle #25
For 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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It All Adds Up Puzzle #27
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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It All Adds Up Puzzle #29
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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It All Adds Up Puzzle #13
In this addition puzzle worksheet, students complete a 12 space grid in which rows and columns equal the numbers given. Students supply the missing addends.
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Missing Addend (2 through 5)
In this conceptual addition instructional activity, students improve their adding skills. Students write a numerical addition problem based on the picture provided. There are sixteen in all.
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Missing Addend - 2 Through 5 (Shapes)
In this numbers activity, students count the different colored square boxes underneath each green box square involving the addition of 16 equations. Students add each pair of green boxes to total the number that they both stem from in...
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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.
Math Worksheets Land
Add and Subtract within 100- Guided Lesson
Word problems are the name of the game here, and each one comes with an image to help learners visualize the math operation. Careful, though; the visual for the first scenario is confusing. The problem gives a total number of sports...
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Circle the Wagons a Number is Missing
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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Missing Number Addition
In this addition worksheet, students are given one addend and the answer to a total of 25 simple addition problems. Students fill in the missing addend. Worksheet is labeled as a sample from a subscription site.
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Addition - Up to 12
For this addition worksheet, students solve the horizontal addition problems. Students count on from the addend given to get the find the missing addend.
![Missing Numbers Addition [B] Worksheet](http://content.lessonplanet.com/resources/thumbnails/216849/large/cgrmlwnvbnzlcnqymdezmdmzms0ymjyync1naw4yd3cuanbn.jpg?1414306930 "Missing Numbers Addition [B] Worksheet")
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Missing Numbers Addition [B]
In this addition instructional activity, students write the missing addend in a box, 24 simple addition problems total. Answers are included on page 2.
![Missing Numbers Addition [C] Worksheet](http://content.lessonplanet.com/resources/thumbnails/216855/large/cgrmlwnvbnzlcnqymdezmdmzms0ymjcxmy0yagnibmiuanbn.jpg?1414307208 "Missing Numbers Addition [C] Worksheet")
Curated OER
Missing Numbers Addition [C]
In this addition instructional activity, students fill in the missing addend in 24 simple addition problems, answers are included on page 2.
Curated OER
Missing Number Addition
In this missing number worksheet, students fill in missing addends to complete 5 simple problems. An answer key is included on page 2.
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Study Buddies: Working With Addition Properties
In this math worksheet, students will work with a coach to learn about and practice three addition properties: associative, commutative, and identity. Students will follow a step-by-step process and notes are provided for the coach.
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Equations by 1 through 10
In this missing addend worksheet, students fill in the missing addend to the addition and subtraction problems. Students fill in the missing addends for numbers 1 through 10 for 100 problems.
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Complete the Number Sentences
In this addition instructional activity, students use three digit addition and solve for missing addends. Students master 15 problems filling in the missing numerals for each.
Curated OER
Decimals Worksheet 1
In this addition with decimals instructional activity, learners find the missing addends in these problems. Answers are given by clicking a link. An excellent in-class activity, or homework assignment.