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. 

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

In this 3 addend addition practice worksheet, students use their problem solving skills to solve 20 problems that require them to fill in the missing numbers in the problems.

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...

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 addition worksheet, students are given one addend and the answer to a total of 25 simple addition problems. Students fill in the missing addend. Worksheet is labeled as a sample from a subscription site.

In this addition instructional activity, students write the missing addend in a box, 24 simple addition problems total. Answers are included on page 2.

In this addition activity, students fill in the missing addend in 24 simple addition problems, answers are included on page 2.

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

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

In this math worksheet, learners 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 missing addend worksheet, students fill in the missing addend to the addition and subtraction problems. Students fill in the missing addends for numbers 1 through 10 for 100 problems.

In this addition worksheet, students use three digit addition and solve for missing addends. Students master 15 problems filling in the missing numerals for each.

In this addition with decimals instructional activity, students find the missing addends in these problems. Answers are given by clicking a link. An excellent in-class activity, or homework assignment.

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.

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 learning exercise, students fill in missing sums and addends in a set of 20 problems. Some problems involve regrouping, answers are included on page 2.