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Absolute Value Equations and Inequalities
Students explore the concept of absolute value inequalities and equations. In this absolute value inequalities and equations lesson, students discuss how to solve absolute value inequalities and equations through teacher led discussion...
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Compatible numbers to 20
Learners practice theories dealing with equals sign used as a balance, inequality symbols and practice utilizing a box or some other geometric shape to represent an unknown number. They assess numeracy problems embedded in language-rick...
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Surveying Our Media
High schoolers participate in a lesson that is concerned with the concept of examining the use of media in society. They create surveys to measure the presence of the media in everyday life. The results are collected and represented in...
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Points
Students listen to Gill's story and determine how many number points she has. They then find the number of points their own name has and get into groups where all the name points are the same.
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Shopping
Students give change for sums of money. They also solve subtraction problems presented in different forms. The problem Students answer takes a look at a situation from three different perspectives.
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Gulls
Students listen to the problem and think about the first question and the number operation that they would use and explain. They work in pairs and record their solutions so that they can be displayed and shared.
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Basketball Caps
Students work on a problem, individually or in pairs. They are asked questions that focus on average. They discus that the average number represents an equal redistribution , rather than just being able to state the rule. They write...
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The Chicken Run
Fourth graders work in a group of 4 to make rectangle with a 12m length of string. They discuss its perimeter and how they would calculate its area. Then another group of 4 make another rectangle and estimate if the area would be greater...
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In the Path of the Ancients: Unearthing Formulas for Area
Students apply the formulas for the area of parallelograms and triangles. Through guided practice, students discover the correct way to apply the formulas. Working in pairs, they write their own problems featuring the formulas.
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Nuts & Bolts: is Classification, Arbitrary, Or Not?
Students, in groups, classify furniture, share their categories and rationales, then note how their different schemes vary, perfectly logical and useful, but completely arbitrary.
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Beetle Wheels
Second graders link the development of skip-counting patterns to bars on a relationship graph. They also plot our skip-counting patterns on a hundred's board, counting by 2's and also by 4's.
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Pede Patterns
Students generate number patterns for certain 'insects' from the mythical planet of Elsinore. Each 'Pede' is made up of square parts and has a number of feet. The patterns all link the number of feet and the number of squares. The...
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Time For Breakfast
This unit encourages students to assess the validity of a set of statements and then plan and carry out investigations to find out whether the statements are true. Students then carry out statistical investigations of their own.
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Marshmallows
Third graders estimate the volume and mass of one marshmallow using appropriate standard units. They design and carry out an investigation to find the average of volume/mass of one marshmallow.
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The Colored Cube Question
Fourth graders examine how to determine the probabilities or likelihood of outcomes. They complete trials to determine probability while using different manipulatives. They determine how games can be made fair or unfair in this unit of...
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The Garden
Students talk about the types of insects that you might see if you looked in the garden. They then brainstorm for ideas about how to solve the problem, sort objects into categories and display the results and count the objects in a...
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Odd One Out
Ninth graders identify and describe in their own language, the following 2-dimensional shapes: square, circle, box, pentagon; classify objects by shape attributes. They then list a number of properties that distinguish squares from...
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Reversing Numbers
Second graders solve a math word problem involving the addition of two digit numbers. They discuss the problem as a class, independently explore the problem, and discuss as a class the solution and how they organized their reversed...
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Jo's Table
Second graders work on the problem with a partner. They examine what they are supposed to be doing. They share the students's solutions making sure than they are looking for patterns along the diagonals.
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Three Coins on a Table
Young scholars discuss the subject of coins and heads and tails. They work in groups to solve Fran's problem concentrating on the fact that the coins are in a row. Any group that finishes early can try the Extension problem.
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Blindfolds
Students stand blindfolded and turn clockwise, then counterclockwise and take 3 steps forward and make a half turn clockwise and walk 3 more steps. They discuss where they ended up and how else they could end up in the same place.
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Lots of Squares
Learners work in pairs, to make a square on the geoboards with a rubber band (or draw one on the dot paper). It can be any size and in any location and share their answers with the class.
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The Farmer's Sheep
Learners use problem solving skills, logical thinking, and their ability to work sequentially in order to solve an algebra problem. They listen to the problem read aloud by the teacher and devise a plan in order to solve the problem.
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The 500 Problem
Pupils explain face, place and total value of numbers as well as solve three-digit subtraction problems. Before trying answer the problem Students must be able to examine that the same digit is used to represent different amounts.