Curated OER
Missing Numbers Addition (A)
In this math learning exercise, students solve 40 math problems in which there is a missing addend. Students fill in the missing number which makes the addition sentence correct.
![Missing Numbers Addition [B] Worksheet](http://content.lessonplanet.com/resources/thumbnails/216849/large/cgrmlwnvbnzlcnqymdezmdmzms0ymjyync1naw4yd3cuanbn.jpg?1414306930 "Missing Numbers Addition [B] Worksheet")
Curated OER
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.
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.
Curated OER
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.
Curated OER
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.
Curated OER
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.
Curated OER
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.
Curated OER
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.
Curated OER
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...
Curated OER
Add and Subtract within 1000
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...
Curated OER
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...
Curated OER
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....
Curated OER
Addition Practice- Fill In the Missing Number- Three Digit Addition
In this fill in the missing number addition worksheet, 3rd graders find the value of the missing number in 18 addition problems. They are given the sum and find a missing digit in one of the three digit addends.
Curated OER
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.
Curated OER
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.
EdHelper
Addition: Missing Number Fill In
For this addition worksheet, students fill in a missing addend to solve 23 problems. Worksheet is part of a subscription site with links and is labeled as a sample.
EdHelper
Addition: Missing Numbers
For this addition worksheet, students look at pictures of blocks and their numerical values, then find the missing addend. Worksheet is labeled "sample" and is part of a subscription site with links.
Curated OER
Finding Missing Sums and Addends
In this sums/addends worksheet, students find missing sums and addends in a set of 20 problems. Problems add 1 and 2-digit numbers. Answers included on page 2.
Curated OER
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.