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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

One and Tens Place Value

For Students 1st - 3rd
Counting is much easier when the objects are arranged in groups of 10! This place-value practice sheet helps young mathematicians grasp ones and tens place value through three exercises. First, they complete three missing addend...
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Worksheet
Curated OER

Make Ten Guided Lesson

For Students K - 1st
Use these missing-addend problems to help your beginning mathematicians practice addition facts. They read sentences and solve, making 10 from different single-digit numbers. Each of these four problems is formatted differently, so the...
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Worksheet
Curated OER

Add and Subtract within 20

For Students 1st - 2nd
Here is a more interesting way to practice addition and subtraction number sentences. Learners complete two sum boxes, adding across and down then totaling for a final sum. They do the same with subtraction in two more boxes. Finally,...
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Worksheet
Curated OER

Missing Tens

For Students 1st - 2nd
Foster mental math skills with this worksheet; combine with 10-rods to modify. Twenty problems provide plenty of practice to master subracting by tens. Missing addends promote algebraic thinking. 
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Worksheet
Curated OER

Missing Addend Addition Using Math Counters

For Students K - 1st
In this missing addend addition worksheet, students fill in the missing addend in 6 problems. Math counting blocks are provided to solve the 1-digit problems.
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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

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

Addition: Fill in the Missing Addend

For Students 1st - 2nd
For 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

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

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 worksheet, 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 symbols for...
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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

Missing Number Sum Activity

For Students 1st - 3rd
In this missing number worksheet, students fill in missing addends to reach the sum of 19, 8 problems total, then answer additional related questions.
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Worksheet
Curated OER

Missing Addends

For Students 1st - 2nd
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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Worksheet
Curated OER

Addition: Equation to 10 (Missing Addend)

For Students K - 1st
In this addition skills worksheet, students fill in the missing addends in 16 problems. Math counting blocks are provided in each problem.
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Organizer
Curriculum Corner

Second Grade Summer Math Practice Book

For Students 1st - 3rd Standards
Stop the summer lag with a set of second grade Common Core based math practice sheets. Learners fill in hundreds charts with missing numbers up to 1,000. They practice writing numbers in standard, expanded, and word form. Children also...
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Worksheet
Curated OER

Missing Addends

For Students 1st - 2nd
For this early childhood math practice worksheet, students use their problem solving skills to solve 6 story problems that require them to add.
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Worksheet
Curated OER

How Many More Do You Need

For Students 1st - 2nd
In this missing addends worksheet, students draw additional train cars to the existing picture to complete each addition sentence with a missing addend. Students also fill in the missing number.

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