Curated OER
Addition Worksheet #11
In this addition instructional activity, students add four-digit numbers that appear in columns of three. There are 16 problems on this one-page instructional activity. An answer sheet is included.
Curated OER
Mystery Boxes
In this math worksheet, students solve the problems that use the operation of addition. They fill in the missing addends or sums as needed.
Curated OER
Same and Different
For this mathematics worksheet, students first complete the tens place and then add the rest. Then they continue the patterns and compare each column. Students also fill in the missing addends and solve various word problems by writing a...
Curated OER
Chapter 4 Word Search
For this math worksheet, students locate and identify various vocabulary terms related to mathematics. There are seven words located in the puzzle to find.
Curated OER
Mathematics: One Hundred Plastic Ants
Third graders pick up plastic ants scattered on the floor. They take them back to their desks, count them, and add their totals to those of other students.
Curated OER
Missing Subtraction Facts to 20
In this subtraction worksheet, students use the given numbers to complete and solve the horizontal subtraction equations. Students solve 20 problems.
Curated OER
Missing Items
In this math worksheet, 1st graders solve the problems that use addition and the pictures of dice to figure out the missing addend to complete the number sentence.
Better Lesson
Better Lesson: Unknown Addend Problem
Students will solve word problems to create their own subtraction number sentences. They will use known addition facts to solve subtraction problems. A detailed lesson plan, worksheet, and pictures/videos of the lesson being modeled are...
Other
Pbs Kids: Addition Blocks
A fun game to help practice addition skills. Find the touching addends, and destroy the target sums that fall on the screen.
CK-12 Foundation
Ck 12: Elem Math: Selecting the Related Addition Fact
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which addition fact is related to the given addition problem. The video uses vocabulary of addends and sum. The video is...
Alabama Learning Exchange
Alex: Mix It Up!
By now, students have learned that fact families include both addition and subtraction facts. They have also learned that by reversing the order of the addends, they can form related addition facts with the same sum. The students will...
Alabama Learning Exchange
Alex: Cracker Math (Commutative Property)
During this instructional activity students will listen to the story FISH EYES: A BOOK YOU CAN COUNT ON by Lois Ehlert and use concrete objects to explore the commutative property of addition. During this instructional activity students...
Better Lesson
Better Lesson: Any Order
The numbers in an addition number sentence (addends) can be added in any order and the sum remains the same.
NumberNut
Number Nut: More Than Two Addends
Develop strategies for adding more than two addends with this quick addition lesson. Examine how grouping numbers can help make adding multiple numbers easier. Then, practice your new skills using the related interactive games that are...
Math Aids
Math Aids: Addition Worksheets
Great resource to practice and strengthen math skills pertaining to addition. Math worksheets are printable, may be customized, and include answer keys.