Curated OER
Where In the World Are We?
Fifth graders read postcards and find their locations on maps. They use the pictures and text on the postcards to write about imaginary vacations. They compute the mileage and compare it to TripMaker data.
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Jumping Jaguars!
Second graders accurately measure the distances they and their classmates jump. They determine the mean, median and mode of specific jumps. They are required to have two measurements for each classmate, one for standing long jump and one...
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The Average Atom - Isotopes
Seventh graders, in groups, complete an Isotopes model and notice that atomic masses are decimal numbers. These masses are an average of all the isotopes of that element.
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Doing Battle With Radical Equations
Students observe and solve examples of equations involving radicals. They complete a Doing Battle With Radical Equations worksheet and checklist.
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Is Your Square Complete?
Learners practice solving quadratic equations using a form called Complete the Square.
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Body Proportion
Fourth graders measure the height and arm span of various classmates. They use a spreadsheet to design a graph that shows the class measurements from tallest to shortest in metric and standard systems.
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Up We Go
First graders examine the use of number lines in problem solving situations in this series of lessons. They participate in activities in which they move forward and backward on number line on the playground before doing paper and pencil...
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Counting Cubes
Pupils count backwards in 2s from 30 then try other skip patterns such as 1,3,5, etc. and invent their own counting patterns. They are introduced to the problem using a pile of cubes and count by 2s and have a remainder.
Helping with Math
#9: Solving Equations (1 of 2)
Twelve very simple equations are presented for learners to solve. What is the value of x? What is the value of n? Individuals apply operations to find the answers. You will find the final answers by clicking on the appropriate box at the...
Helping with Math
Solving Equations with Two-Stepping! (4 of 4)
Here are 12 two-step algebraic equations to be solved. The first problem is completed as an example to your class, but the remaining can be worked right on the page. An answer key is available by clicking on a small box at the top of the...
Helping with Math
#10: Solving Equations (2 of 2)
In this prealgebra activity, pupils perform addition, subtraction, multiplication, or division operations to solve for an unknown. There are 12 problems to be solved. Use this as a quiz to assess how well your class is grasping the skill...
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Solving Problems with Proportions
Seventh graders explore the concept of proportions. In this proportion lesson plan, 7th graders play a review game involving whiteboards. Students work in groups to solve a given proportion the fastest. Students also work in pairs to...
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Literal Equations
High schoolers explore Literal Equations. In this literal equations instructional activity, students use the Internet to connect to links and solve linear equations. High schoolers investigate, analyze and record their findings on...
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Models and Algorithms to Solve Multiplication Problems
Students choose the correct strategy to solve multiplication and division. In this algorithm lesson, students use at least two strategies that use properties of operations and estimation. Students also recognize the relationship between...
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Sixteen Mutually Exclusive Probability Problems
In this mutually exclusive probability worksheet, students solve for the probability of sixteen mutually exclusive events. A short explanation is provided. Additionally students can find hints and check their solutions by using the...
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Finding Addition Patterns
Students practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.
Pennsylvania Department of Education
Extending Pattern Understandings
Young scholars use shapes and manipulatives to demonstrate patterns. In this patterns lesson plan, students also break up patterns to identify a pattern unit.
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Ratios, Proportions, and Cross-multiplication
Students use cross-multiplication to find the unknown respiration rate of an astronaut. In this multiplication lesson plan, students also use the same process to find missing values in proportions.
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Counting Using Money
Second graders count fake money by grouping like coins together. In this counting lesson plan, 2nd graders complete worksheets provided in this lesson.
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Playing With Probability
Students rotate through work stations where they compute problems of theoretical and experimental probability. In this probability lesson plan, students use simulations of a lottery system.
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Cutting the Wood
Students demonstrate and describe the effect of multiplying or dividing by a fraction less than or greater than one. They create and explain a variety of equivalent ratios that represent a given situation. Students draw a picture of...
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Finding the Probability
Ninth graders investigate the concept of probability. They use a clear objective that is a visual cue for what is required for the lesson. They apply the basic practices of probability to real life like situations.
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Zeros and Blackbirds
Fifth graders convert kilometers to miles and calculate the range that historical aircraft can travel. They choose destinations by distance that can be traveled without refueling.