Curated OER
Equivalent Pals (Fractions)
Fifth graders explore equivalent fractions. In groups, classmates follow instructions to tear paper into fractional parts. Students brainstorm real life items that are equivalent. They model and identify equivalent fractions using...
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Arrange the Classroom (Part 1 of 3)
Fifth graders arrange the classroom using all the moveable objects and through the exploration of area and perimeter. They determine the area of the classroom, create and label model pieces of furniture using graph paper, and create a...
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For Sale!
Learners review same type (denomination) coin sets, and build same type coin sets equaling fifty cents.
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Matching Pairs
Learners take turns matching the appropriate shapes (listing coin values) to those with numerical values listed on them. When students are successful, they win a blank shape for their collection.
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Estimation Challenge
Students calculate the length of the classroom using non-standard units of measurement and estimation. Using a cracker box, they discuss measuring various objects in the room as a class, and independently estimate and measure the length...
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Estimating School Store Purchases
Students examine uses for estimating, and round purchase prices to estimate total purchases in a simulated school store setting. They discuss what it means for an item to be on sale, and observe the teacher work through the process of...
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2 X 2 Linear Systems
Young scholars solve 2 X 2 systems graphically and algebraically. They investigate parallel systems. They solve application problems using 2 X 2 systems.
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Creating a Savings Chart
Student create a savings chart given a set allowance per week. They explain how people in the local community make choices about using goods, services, and productive resources, and how they compare costs and benefits in economic...
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Basic Operations With Decimals
Fourth graders solve real life addition and subtraction decimal problems. In groups, they read a real life scenario. They use a newspaper to gather data to solve the situation. Students create a poster containing the justification for...
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Our Daily Five
Students explore the food pyramid through a class discussion, hands-on experience with food items, and a floor game that helps them to identify the food group involved. Lesson extensions include the use of play money, art, and dance.
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Comparison Food Shopping: Buying Groceries for Two People for One Week
Twelfth graders investigate how to develop a simple food budget for two using newpaper ads, the basic four food groups, and calorie counts.
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Point-Slope Form
Ninth graders explore the point-slope form of linear equations and graph lines in the point-slope form. After completing the point-slope equation, they identify the slope of a line through a particular point. Students explain the...
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Double-Digit Addition with Regrouping
First graders recall place value system and double-digit addition, create and manipulate double-digit regrouping, and devise and identify ways to use regrouping.
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Building a Better Home for the Three Little Pigs
Fourth graders draw a set of blueprints and record measurements on them. They add, subtract and multiply to work within their house-building budget.
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Have You Heard It Through the Grapevine?
First graders, in groups, try to figure out which box of name brand raisins have more.
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Is the Probability Probable?
Third graders compare experimental results with mathematical expectations of probabilities. They utilize a worksheet imbedded in this plan to gain practice with the concept of probability.
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Exploding Numbers
Students discuss how numbers increase when exponential growth is occurring. They view a video and compare exponential and linear growth with a graphing calculator.
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Probability or Ability?
Students fill in a probability chart while attempting to catch candy with their non-dominant hands. They replicate the activity with a coin.
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Divided We Stand
Students figure out how to arrange seating in a concert hall given specific requirements. They better explain how dividing can allow us to arrive at mathematical solutions quickly and logically.
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Using Guess, Check and Revise
Students answer coin related math questions using the guess, check and revise process for problem solving.
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2 x 2 Linear Systems
Learners graph 2x2 systems and solve them algebraically. They investigate parallel systems by solving equations.
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Menu Mania
Students explore the concept of estimating by watching a video, and discussing the strategies for estimation. They estimate the costs for various menu items, then calculate the exact amount spent.
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"A Grain of Rice" by Helena Clare Pittman
Middle schoolers solve the problem that comes up in the story. They realize the explosive growth of the powers of 2.