In this math worksheet, students solve 40 math problems in which there is a missing addend. Students fill in the missing number which makes the addition sentence correct.

In this missing number learning exercise, learners fill in missing addends to complete 5 simple problems. An answer key is included on page 2.

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.

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. 

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...

In this conceptual addition learning exercise, students improve their adding skills. Students write a numerical addition problem based on the picture provided. There are sixteen in all.

For this numbers worksheet, 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...

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...

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.

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...

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....

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.

In this addition worksheet, students solve horizontal addition problems. They count on to find the missing addend.

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.

For this addition instructional activity, 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.

For this addition activity, 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.

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.

In this missing addends activity, students fill in one missing addend in a problem to arrive at the sum of 20, 5 problems total. An answer key is included.

Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...

In this addition skills activity, students use their problems solving skills to fill in the missing addends in 32 problems.

In this missing addends worksheet, students fill in missing factors in addition problems. All problems have sums of 8 or 9. A reference web site is given for additional activities.

In this decimal addition worksheet, students supply the missing addends necessary to arrive at given sums. Page has an answer link a the bottom.

In this addition worksheet, 2nd graders study the various ways to add with different addends. Students are provided with 4 digits in which to write as many possible addition problems as can be made.

In this mathematics worksheet, 4th graders write the numbers and x to each picture. Then they write a missing addend sentence and a subtraction sentence to solve each problem. Students also write a missing addend sentence with x and...