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Curated OER
Understand Subtraction and its Relationship to Addition
In this subtraction and addition instructional activity, students calculate the answers to the subtraction problems and then check their answers using addition. There are 18 problems to solve on this instructional activity.
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Clockwise/Counterclockwise Math
Students practice the concept of moving in clockwise and counterclockwise directions to tell time using addition and subtraction.
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Addition: Getting To Ten Then Adding The Rest
In this addition instructional activity, students first write the 2 numbers in an addition problem that add up to 10, then write the answer by adding 1 additional number to 10.
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Addition and Subtraction Using Decimal Notation
In this math worksheet, students practice using the operations of addition and subtraction for he number sentences that have decimals.
Fuel the Brain
Separate Result Unknown: Addition & Subtraction
Have you done enough chores to earn the right amount of money for the things you want to buy? Have your youngsters use addition and subtraction to determine if Brady and Abigail have enough money to buy their preferred items!
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Junk Yard Math
Third graders explore the process of place value and subtraction through regrouping and borrowing exercises. Several activities using manipulatives are utilized in the lesson.
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True or False?
In this addition and subtraction worksheet, students read, study and determine if 14 addition and subtraction problems or number sentences are true or false.
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Study Buddies: Elapsed Time
In this math worksheet, students will work with a coach to solve a problem about elapsed time. Students will follow a step-by-step process and notes are provided for the coach.
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Dice War
Students play a math game. In this operations lesson, students play a game called dice war, where they practice their multiplication, addition, and subtraction skills.
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Beanie Baby Bonanza
Third graders add and subtract decimals. In this third grade mathematics instructional activity, 3rd graders are given an imaginary $100 to purchase five Beanie Babies. Students determine which five they would like to...
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The Number Tool Box
In this solving a math terms crossword puzzle worksheet, students read the clues across and down and write the math terms in the blanks. Students write 19 answers.
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Shapes
Students practice identifying spheres, triangles, and rectangles and the difference between plane shapes and space shapes. They identify shapes in the classroom and complete activity sheets.
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Handy Measurement: Using Non-Standard Measuring Tools
Learners examine different types of non-standard measurement. In this measuring instructional activity, students utilize their fingers, palms and feet as measuring tools. Learners discuss the difference between measuring using parts of...
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Order of Operations
For this order of operations worksheet, students solve 20 order of operation equations involving addition, multiplication and subtraction.
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Dividing by 4's
Third graders explore math functions by completing problem solving activities. In this division lesson, 3rd graders utilize the division strategies acquired earlier to divide multiple digit numbers by 4's. Students complete problems on...
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Music Education, The Blues
This instructional activity examines both the content and form of lyrics in blues songs. In addition to highlighting the basic musical form of a blues song, it also addresses the use of floating verses in blues music, both within the...
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Liquid Volume and Mass Word Problems
As your scholars become comfortable with liquid mass and volume units, give them these addition and subtraction word problems to help apply the skill. There are no conversion or fraction skills involved. After solving four word problems,...
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Addition and Subtraction Practice- 0-10
In this elementary math worksheet, students complete 75 math and subtraction problems. They use the numbers 0-10 in the problems. The answers to the problem are given on the second page.
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Addition and Subtraction Practice
In this addition and subtraction worksheet, learners solve 5 problems set up in horizontal form, then solve 5 word problems. All problems add or subtract using 4 digit numbers.
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Spending Spree
Students collect objects to use in a classroom store. In groups, they must place a value on each object and take turns spending their fake dollar in the store. They predict how much they can buy and use addition and subtraction to...
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Addition and Subtraction of Money
In this multiple choice worksheet, students read short word problems and add or subtract to determine how much money is represented in each problem.
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Maya Math: From Zero to Nineteen
Students explore counting methods of the ancient Maya, and practice identifying Maya number glyphs.
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Jack Math Scramble
Young scholars practice throwing and catching jacks to improve their hand-eye coordination. In groups, they participate in a variety of games in which they use the jacks to improve their problem solving skills. To end the lesson, they...