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"How Many, How Much" by Shel Silverstein
Middle schoolers decide on the reasonableness and relative magnitude of situations in their lives as Shel Silverstein did in the poem "How Many, How Much."
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Estimation Using Goldfish Crackers: Math
Second graders explore estimation and rounding concepts using goldfish crackers and a song! They solve problems by estimating and rounding numbers and pick numbers within reason to represent certain objects.
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Teaching of Addition
Students add different objects together to find out how many objects there are total. They explain up to 3 different reasons why being able to add is important.
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American Political Thought: Minority Influence
Sixth graders brainstorm the reasons why people would want to leave their homeland to live in the United States. In groups, they research the political representation of the Board in New Haven, Connecticut. They also write a paper on...
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Meet You at the Midden: Map Game
Fourth graders use a sketch map to interpret map symbols in order to participate in a game. Using the game cards, they identify reasons why people modify their environment to meet their needs. They compare and contrast how people lived...
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You Can Count on Squares!
Fourth graders engage in and explore to develop mathematical, specifically algebraic, ideas. Although the tasks are built around measurement, they are algebraic to the extent that they require 'formulae' to be derived form the geometric...
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Robots
Fourth graders devise and use problem solving strategies to explore situations mathematically (guess and check, make a drawing, use equipment). The use of logical reasoning is a focus of this lesson plan.
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Make the Highest Total
Sixth graders predict the outcome of a simple probability experiment, test it and explain the result by using problem solving strategies to explore situations mathematically. They then play a few games informally where students play in...
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Square Pegs in Round Holes
Sixth graders problem solve the square peg in the round whole problem by applying knowledge of the formulas for the areas of the circle and the square. They decide on a problem solving strategy based on logical reasoning.
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Discovery
Students explore patterns in number problems. They devise a strategy to solve a number problem. Students estimate and calculate answers, making efficient use of a calculator, where appropriate, as part of solving a problem. They...
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Decimals: Collaborative Lesson
Students explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate with...
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Smart Doubling
Second graders use mental math in calculations involving addition and subtraction. They study doubles facts to work out addition problems mentally using part and or whole reasoning.
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Habitats: Rainforest
Students use the internet to find reasons the rainforest is endangered and ways that affects the rest of the world. They read for information, perform experiments, locate rainforests on maps, and write about this ecosystem.
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Geometry Digital Blogging Books
Learners observe geometric shapes in their everyday lives. In this middle school/high school mathematics lesson, students use their cell phone to record and publish their observations about the geometric shapes they...
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Math: Shapes and More Shapes
Students locate lines of symmetry in regular polygons and predict the number of lines of symmetry in an octagon. In three different polygons, they construct all lines of symmetry and after making their prediction about the octagon,...
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Reopen: A Study of Five Closed Mines
Students analyze data to determine which of the fived closed mines would be beneficial to have reopen. They acquire knowledge of rocks and minerals in the area to give reasons why that mine should open again. Students gain knowledge in...
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Rabbits
Students review what they think doubling means and double numbers mentally, for example, 5, 12, 16. They share their solutions and discuss how they doubled. They work together on a problem that is beyond mental working and solve...
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Cancer City USA
Young scholars investigate a phenomenon known as the cancer cluster. Students determine potential cancer clusters given real data and support their findings using mathematical calculations. Young scholars Create a graphical...
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Geometry in the Constellations: The ER-2
Students discuss reasons to record the location of stars. They view a picture of the night sky, and discuss constellations. Students complete a worksheet of the various shapes they see in the constellations.
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Wings and Othe Things
Students work in groups that are engaged in different activities at different times. They watch the video "Madagascar" and collect data pertaining to the Fish Eagle's arm spam. They work together to perform mathematical computations...
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Hogs on a Diet
Students discuss the meaning of "hogging" something, and speculate on the origin of this phrase. They attempt to guess the contents of a shoe box (without looking inside). Students view feed grains and discuss animals that eat these...
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The Part-adder 1
Second graders investigate the addition of whole numbers. They mentally perform calculations involving addition and subtraction. They make sensible estimates and check the reasonableness of answers.
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Fifty Toes
Pupils guess the subject of the given problem by reasoning. Then they discuss the ways that the problem could be solved by keeping track of their counting in 10s and showing their work.
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The Take-Awar Bar 1
Pupils use an Internet tool, "The Take-Away Bar" to solve subtraction problems by breaking them into parts. They write and solve comparison problems. Students make sensible estimates and check the reasonableness of answers. They use...
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