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Worksheet
Curated OER

Missing Addends-2 Through 10

For Students 1st - 2nd
In this missing addend worksheet, students fill in the missing addend needed to arrive at a given sum, using numbers 2 through 10.
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Worksheet
Curated OER

Missing Addend (2 through 5)

For Students 3rd - 4th
In this addition worksheet, students find the missing addend in each problem. Students have thirty-two problems where they are to find the missing number that correctly completes the addition problem.
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Worksheet
Curated OER

Addition: Missing Addends

For Students 1st - 3rd
In this addition practice worksheet, students solve 32 problems that require them to identify the missing addends in the addition trees.
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Worksheet
Curated OER

Missing Addend (10-18)

For Students 3rd - 4th
In this addition worksheet, students practice their addition skills. Students complete the worksheet by finding the missing addend.
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Worksheet
Curated OER

Addition: Fill in the Missing Addend

For Students 1st - 2nd
In this addition worksheet, students fill in a missing addend to arrive at a given sum, 7 problems total. A reference web site is given for additional activities.
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Worksheet
Curated OER

Subtraction and Unknown Addends

For Students 1st - 3rd
The missing addend strategy is helpful to young mathematicians approaching subtraction. This worksheet walks learners through the required steps, solving the problems with them. They examine situations with one addend and a sum provided,...
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Worksheet
Curated OER

Addition: Missing Addends Tens and Ones

For Students 2nd - 3rd
In this missing addend worksheet, students fill in missing addends to arrive at given sums. All numbers are 2-digits. A reference web site is given for additional activities.
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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

What's Missing?

For Students K - 2nd
Add a challenge for your young mathematicians' adventures in double-digit addition. Instead of simply computing sums in the 9 problems, they work backwards to fill in blanks among the addends. Resource makes a terrific extension or...
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Worksheet
Curated OER

Missing Sums and Addends

For Students 2nd - 3rd
For this missing addends worksheet, students fill in the missing sums and addends for the addition questions. Students solve 20 problems.
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Worksheet
Curated OER

Missing Sums and Addends

For Students 5th - 6th
In this missing addends instructional activity, learners fill in the missing sums and addends for the addition questions. Students solve 20 problems.
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Lesson Plan
Curated OER

Missing Sums and Addends

For Teachers 2nd - 3rd
In this missing addends worksheet, young scholars fill in the missing sums and addends in the addition questions. Students solve 20 problems.
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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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Worksheet
Curated OER

Review of Addition Facts

For Students 1st
In this addition instructional activity, 1st graders write down the addends that make up 5 and 6. They match addition problems to the sums 5 and 6, and find the missing addends in 10 problems. They compare equations to 5 and 6 using the...
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Worksheet
Curated OER

Missing Addends 2-5

For Students 1st - 2nd
In this missing addends worksheet, students fill in a missing addend to arrive at a given sum. Missing addends are numbers 2-5. A reference web site is given for additional activities.
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Worksheet
Curated OER

Missing Addends-Sums with 8 and 9

For Students 1st - 2nd
In this missing addend worksheet, students fill in one missing addend in a problem in order to arrive at a given sum. All sums equal either 8 or 9. Worksheet has a reference web site for additional activities.
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Worksheet
Curated OER

Missing Addends 2-5 Worksheet #2

For Students 1st - 2nd
For this missing addends worksheet, students fill a the missing addends to reach sums between 2 and 5. A reference web site is given for additional activities.
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Worksheet
Curated OER

Missing Addend-2-10

For Students 1st - 3rd
For this missing addend worksheet, students fill in the missing addends to reach given sums. Worksheet utilizes numbers 2-10. A reference web site is given for additional activities.
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Worksheet
Curated OER

Add and Subtract Two-Digit Numbers

For Students 2nd
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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Worksheet
Curated OER

Addition: Number Bonds to 30

For Students 2nd - 4th Standards
In this addition worksheet, students fill in the missing addend to an addition problem that adds up to 30. This number could be a one or two digit number. Students complete 41 missing addend problems.
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Worksheet
Curated OER

Addition: Number Bonds to 100

For Students 3rd - 5th Standards
In this addition worksheet, students fill in the missing addend for problems that add up to 100. Students complete 41 problems.
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Worksheet
Curated OER

Missing Addend - 2 through 5

For Students 2nd
In this missing numbers worksheet, 2nd graders fill in the missing numbers in the correct place value spot according to the blocks given. Students complete 16 problems.
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Worksheet
Math Salamanders Ltd.

Division to 10 x 10 Sheet 3

For Students 3rd - 5th Standards
Learners fill in the missing addends to the one and two-digit number division problems. They complete 40 problems. A classic activity!
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Worksheet
Curated OER

Add and Subtract within 1000

For Students 2nd - 3rd
There are some missing parts in these addition and subtraction problems. Scholars start by completing two number sentences, each involving all three-digit numbers. Then, they examine another number to determine the value of the tens...

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