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Interactive
Curated OER

Missing Numbers - Addition Worksheet Set

For Students 1st
Save some trees and use virtual worksheets. Here are 6 different virtual worksheets that require learners to determine the missing addend. Each page includes 12 problems to solve.
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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

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 Sums and Addends

For Students 2nd - 3rd
In 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

Adding Animals

For Students 1st Standards
Writing equations from images helps young mathematicians grasp addition, especially when they get to look at cute animals as they do it. There are six number sentences here, each illustrated with a set of animals corresponding to...
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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

Making Addition Sentences True

For Students 1st - 2nd Standards
Introduce scholars to the commutative and additive identity properties of addition with two sets of practice problems. First, they fill in the missing addend by choosing from a group of three possible answers. These six addition...
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Worksheet
Curated OER

Making 10 Packs Worksheet

For Students 1st - 2nd
The soup factory is missing cans in its 10-packs! Scholars take on the challenge as they figure out how many more cans are required to complete these four 10-packs. Encourage them to draw the extra cans for added comprehension. It would...
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Worksheet
Curated OER

Addition: Number Bonds to 10

For Students 1st Standards
You have the answer and a variable, but something is missing! The class fills in the missing addend in 23 practice problems that all add up to 10. This is a great way to build number sense, pattern recognition, and automaticity.
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PPT
Curated OER

Mental Math: 5 a Day

For Teachers 4th - 5th
This is a really cool math resource! There are nineteen different slides containing five math problems each. They are intended to be used as daily math warm ups and address skills such as, addition, problem solving, missing addends, word...
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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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PPT
Curated OER

Number Bonds to 10: Game

For Teachers 1st - 2nd
Knowing number bonds that make 10 is a good way to build number sense and can help in solving basic addition and subtraction problems. Kids review number bonds, then play a game where they are given a number and try to shout out the...
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Worksheet
Curated OER

Missing Addend Worksheet in Column Form

For Students 3rd - 4th
In this math worksheet, students solve 24 problems in which there is a missing addend. Students fill in the blank. The problems are 3 digit addition with carrying.
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Worksheet
Curated OER

Missing Addends - Inverse Operations

For Students 2nd - 3rd
In this math worksheet, student find the missing addend in 28 single and double digit addition problems and write the corresponding subtraction problem.
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Worksheet
Curated OER

Addition: Missing Addends Tens and Ones

For Students 2nd - 3rd
In this missing addend instructional activity, 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

Missing Sums and Addends

For Students 3rd - 4th
In this recognizing two-digit addition facts worksheet, learners use a number line and addition facts to find the missing sums or addends in problems with and without regrouping. Students solve 20 problems.
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Worksheet
Curated OER

Missing Sums and Addends

For Students 5th - 6th
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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Lesson Plan
Curated OER

Missing Sums and Addends

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

Find the Missing Addend

For Students 1st
In this find the missing addend worksheet, 1st graders solve the equation by filling in the missing addend for 10 equations with addends from 0-9.
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Worksheet
Curated OER

Missing Addends to Equal Equations

For Students 3rd - 4th
For this missing addends worksheet, students fill in the missing addends to the problems so that there are equal equations on both sides of the equals sign.
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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
For 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
In 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 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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