Curated OER
Subtracting Two-Digit Numbers
For this subtraction worksheet, 2nd graders practice subtracting two-digit numbers by crossing out and regrouping. Students complete 4 subtraction math problems.
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Adding Two- and Three-Digit Numbers
In this addition activity, 4th graders add together 13 two and three-digit numbers with two and three numbers in each addition math problem.
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Subtract Across Zeros
In this subtraction worksheet, students read 6 story problems in which larger numbers are subtracted with borrowing across zeros.
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Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
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Subtracting Decimals
In this subtracting decimals worksheet, students solve 10 problems in which decimal numbers to the hundredths place are subtracted, sometimes with regrouping. The problems are already properly written with decimal points aligned.
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Subtracting Across Zeros
In this subtracting across zeros worksheet, students analyze the information and examples for how to regroup multiple times if there are zeros in a series. Students then solve 9 problems.
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Laws of Exponents
Ninth graders identify the different laws of exponents. In this algebra instructional activity, 9th graders write the rules of exponents and use them to solve problems. They use the product, quotient laws to solve problems.
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Problem Solving With Fractions
Sixth graders solve and analyze fractions. In this algebra lesson, 6th graders solve fractions using addition, subtraction, multiplication and division. They work in groups and do peer-review.
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Addition and Subtraction
Students develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.
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Universal Proportions: Earth and Moon
Students create scale models of Earth, the Moon, and the distances within the universe. Working in groups, they construct their models of Earth and the Moon on a scale of 50:1 and calculate how far apart to place their models. They...
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Penny Counting
In this penny counting activity, students solve 4 story problems in which three digit numbers are added or subtracted. All problems pertain to pennies; there will be regrouping.
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Adding Greater Numbers
In this adding greater numbers activity, students solve 13 problems in which four numbers are added in a column. Most numbers are four or five digits; students will need to regroup more than once.
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From Hypothesis to Conclusion...Reading Maps to Understand Proofs
Tenth graders explore the concept of proof. In this proof instructional activity, 10th graders work in groups to collectively write proofs for directions to places on a map. Students give directions to specific places in big cities such...
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Multiplication Word Problems Using Different Representations
Students solve multiplication word problems by using base 10 blocks and drawing pictures. In this multiplication lesson plan, students also write a reflection of their work.
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Unit 2 Sun & Stars
Young scholars describe stellar objects using terms such as stars, planets, satellites, orbits and light. For this sun and stars unit, students research stellar objects through seven individual lessons discovering star characteristics,...
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Pac Man Subtraction
Third and fourth graders engage in a game using visual symbols, auditory responses and tactile stimuli to further their understanding of subtraction. A worksheet imbedded in this plan explains how to teach the game.
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Add or Subtract Whole Numbers Up to 1000
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
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Developing Strategies for Addition and Subtraction
Primary graders develop strategies to assist them with addition and subtraction. They discover number combinations and numerical facts which enable them to add and subtract more effectively. Young scholars use these techniques to...
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Place Value to 1,000
Second graders study the concept of place value with hundreds, tens, and ones. In the place value lesson, 2nd graders demonstrate their prior knowledge of place value with tens and ones. Students are then introduced to place value with...
Alabama Learning Exchange
Mix it Up! Exploring the Commutative and Associative Properties of Addition
Examine commutative and associative properties with your class. They'll explore the relationships between addition and subtraction and investigate patterns as they solve addition problems. Links to an assessment and a table game are...
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Multiplying with Egg O
Third graders multiply whole numbers by one and two digit numbers using base ten blocks and Egg O multiplication game. students pass out egg cartons, counters, and a record sheet to each group.
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Term Deposits: Worth the Wait?
Students study term deposits and the attributes of long and short-term savings. They examine their spending habits while looking at how different types of accounts meet different economic goals. They complete worksheets that are provided...
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Olympic Games - Can You Measure Up?
Students complete 6 units to learn about Ancient Greece and the Olympic games through physical education activities as well as math activities. In this Ancient Greece lesson, students complete multiple activities in 6 lessons including...
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Friction- What a Drag
Students explore friction. For this friction lesson, students investigate that weight and surface type affect friction.