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Curated OER
Addition: Number Bonds to 40
In this addition and subtraction worksheet, students use their problem solving skills to solve 41 problems as they fill in the missing numbers in each of the problems.
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Subtracting 2-Digit Numbers Mentally
In this subtraction worksheet, students subtract 2 digit numbers from each other using mental math. Students complete 12 problems and 9 comparison problems.
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Fraction Facts
Students explore the concept of fractions. In this fractions lesson, students perform basic operations such as addition and subtraction with fractions. Students play a game on the computer called 'Fraction Four' that gives students...
Pennsylvania Department of Education
Fractions and Ribbons
Fifth graders solve division problems using partial quotients. In this long division lesson, 5th graders practice seeing division as a process of repeated subtraction and estimation. This lesson provides a script for the teacher.
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Multiplication Stories
Second graders solve various multiplication math word problems involving cars and people, fish and fish bowls, and tables and table legs. They write and solve multiplication story problems related to whole numbers, addition, subtraction,...
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Problem Solving Strategy Practice: Guess and Check
In this guess and check worksheet, students solve 5 word problems using guess and check and show their work. Houghton Mifflin text is referenced.
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Problem-Solving Strategy: Find a Pattern: Problem-Solving
In this finding patterns worksheet, learners read the word problem about costume costs and study the graph. Students then follow the steps of understand, plan, solve, and look back to find the pattern.
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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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Number Line Math
Second graders use a number line to practice subtraction. In this subtraction lesson, 2nd graders use a number line to count backwards. Students participate in mad math activities and solve problems.
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Patterns Here, There and Everywhere
Pattern recognition is a skill often used in mathematics. Learners count and sort manipulatives, organize the data into a graph and answer questions about the information displayed. They collect the objects to be used and create patterns...
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Brain Booster: Subtraction Strategy- Working Backward
In this daily math problem worksheet, students complete three activities that help them use subtraction and work backwards. Students show their work using pictures, numbers, or words and may use cubes, number lines or hundred boards for...
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Dream Car Math
High schoolers collect car cost comparison data from the "Car Wizard" web site to use as problem solving and for calculations related to math.
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Subtraction Numbers to 9
In this math worksheet, students find the answers to the 30 subtraction problems. The solutions can be checked by using addition.
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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 activity.
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Subtraction - Numbers to 12
In this subtraction worksheet, 1st graders solve for the differences in 30 vertical problems in which they use numbers up to 12.
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Addition and Subtraction of Signed Numbers
Students explore the concept of adding and subtracting using positive and negative numbers. In this addition and subtraction of signed numbers lesson, students use pennies to represent positive and negative numbers. Students deposit and...
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Twelve Days of Christmas--Prediction, Estimation, Addition, Table and Chart
Scholars explore graphing. They will listen to and sing "The Twelve Days of Christmas" and estimate how many gifts were mentioned in the song. Then complete a data chart representing each gift given in the song. They also construct...
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Native American Pebble and Pot Game
Students participate in a game using 12 manipulatives. In this addition and subtraction lesson plan students play a game originated by the Native Americans and look at a number of items and calculate how many are hidden....
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Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation lesson, 2nd graders solve real life problems to understand estimation and money problems.
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A Borrower And A Lender Be
Second graders practice addition and subtraction in this fun, technology-based Mathematics instructional activity for the second grade classroom. The instructional activity includes resource links, video clips, interactive websites, and...
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Wolves and Penguins
Young scholars practice subtraction strategies and the use of number lines to count back. They use photographs of wolves and penguins to practice subtraction and the creation of number lines. Afterwards, they draw a wolf howling or a...
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Dividing by 4's
Third graders explore math functions by completing problem solving activities. In this division lesson plan, 3rd graders utilize the division strategies acquired earlier to divide multiple digit numbers by 4's. Students complete problems...
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Walking On The Number Line
Students investigate the concepts of expressions and equations while defining the similarities and differences. They explore the operations by using a number line and record answers while working with the teacher. Students play the game...
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Study Buddies: Counting Back Tens and Ones
For this math worksheet, learners will work with a coach to solve a problem in which they must subtract by counting back by tens and ones. Students will follow a step-by-step process and notes are provided for the coach.