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.
Worksheet
Curated OER

Addition: Fill in the Missing Addend

For Students 1st - 2nd
In 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.
Worksheet
Curated OER

Addition: Number Bonds to 30

For Students 2nd - 4th Standards
In this addition worksheet, students fill in the missing addend to an addition problem that adds up to 30. This number could be a one or two digit number. Students complete 41 missing addend problems.
Worksheet
Curated OER

Addition: Number Bonds to 100

For Students 3rd - 5th Standards
In this addition instructional activity, students fill in the missing addend for problems that add up to 100. Students complete 41 problems.
Worksheet
Curated OER

Add and Subtract within 1000

For Students 2nd - 3rd
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...
Worksheet
Math Worksheets Land

Add and Subtract within 100- Guided Lesson

For Students K - 2nd Standards
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...
Worksheet
Curated OER

Missing Addend - 2 through 5

For Students 2nd
In this missing numbers learning exercise, 2nd graders fill in the missing numbers in the correct place value spot according to the blocks given. Students complete 16 problems.
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...
Interactive
CK-12 Foundation

Decimal Addition: Adding Little Pieces

For Students 4th - 6th Standards
A five-question interactive test scholars' knowledge of adding and subtracting decimals. A tool aids in problem-solving with movable parts that reveal addends and sums. Question types include one discussion, fill and in the blank, and...
Worksheet
Curated OER

Add or Subtract (up to 50)

For Students 2nd - 3rd Standards
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...
Lesson Plan
NTTI

Putting Together Ten

For Teachers 1st - 2nd Standards
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries...
Lesson Plan
Curated OER

Addends with Spiffy

For Teachers 2nd - 3rd
Students solve single variable equations. In this missing addend instructional activity, students solve problems with missing addends. Students create a function box to help study numerical reasoning.
Worksheet
Curated OER

Choose the Operation: Plus or minus (up to 100)

For Students 2nd - 4th Standards
Investigate the relationship between addition and subtraction as scholars fill in these number sentences, each of which is missing a symbol. Is it a subtraction or addition equation? There are 20 of these to start, all written...
Worksheet
Curated OER

Review of Addition Facts

For Students 1st
For 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...
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.
Worksheet
Curated OER

Missing Addends-Sums with 8 and 9

For Students 1st - 2nd
In this missing addend worksheet, learners 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.
Worksheet
Curated OER

Missing Addends 2-5 Worksheet #2

For Students 1st - 2nd
In this missing addends instructional activity, learners fill a the missing addends to reach sums between 2 and 5. A reference web site is given for additional activities.
Worksheet
Curated OER

Missing Addends

For Students 2nd
In this addition instructional activity, 2nd graders work toward finding the missing addends. students complete 3 problems using the given problems and pictures for visual assistance.
Worksheet
Curated OER

Missing Addend-2-10

For Students 1st - 3rd
In this missing addend instructional activity, students fill in the missing addends to reach given sums. Worksheet utilizes numbers 2-10. A reference web site is given for additional activities.
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.
Worksheet
Curated OER

Missing Number Sum Activity

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

Domain: Operations and Algebraic Thinking

For Teachers K - 2nd
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...
Worksheet
Curated OER

Missing Addends

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

Missing Addends: Sums With 8 and 9

For Students 2nd - 3rd
In this missing addends activity, 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.