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The Take-Awar Bar 1
Students 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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Compatible numbers to 20
Students 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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Decimal Fractions
Students use rounding and compensating with whole numbers and explain how to use the empty number line to show additions and subtractions. They round and compensate in relation to decimal subtraction
Background
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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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Surveying Our Media
Students 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 the...
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Scavenger Hunt
Second graders participate in a Scavenger Hunt to find out how long 1 cm is. They then find 10 objects that estimate to be 1 cm in length and record their findings on the table provided and check their estimates using a ruler.
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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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And The Twelfth One Is
Ninth graders play guess my shape (either describe or use a feely bag to introduce the 3 shapes in the problem.) As they are identified put them in an order as shown in the problem. As the students work on the problem in pairs teacher...
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The Folding Problem
Ninth graders experiment with paper folding to create geometrical shapes. Students analyze the Copymaster of the problem. After the students have worked on their own for a while, stop them and discuss.
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Manu's Song
Fourth graders observed the following pattern: snap, clap, snap, clap....Join my pattern when you know how it goes. After the all the students can follow the pattern ask them if they can use counters (2 colors) to show the pattern.
Ask...
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Buttons and Bears
Pupils read the problem and then identify the important information in the problem and highlight. They then brainstorm for ways to solve the problem by drawing a picture and working in pairs.
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Fifty Toes
Students 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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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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PSTV
Students figure the amount of programs can fit into a certain time frame. The use of problem solving allows for the student to examine how things can occupy time. They measure the time frame for one program then use that amount to...
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Three Coins on a Table
Learners 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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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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The Farmer's Sheep
Students 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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At The Movies
Students work systematically to find all the possible combinations. They Students write and solve problems which involve whole numbers and which require a choice of one or more of the four arithmetic operations.
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Legs in the Barn
Students listen to the problem being read. They then brainstorm possible approaches and are encouraged to plan ways of recording their work so that others examine what they have done and share their findings.
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The Rock Pool
Third graders use number sense and appropriate problem solving techniques to solve the assigned problems. They write out the solutions to the assigned problems. They work in groups to solve the problem before reporting back to the whole...
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Copycats
Third graders describe the features of 2 and 3 dimensional objects and use the language of geometry. They design and make a pattern which involves translation, reflection or rotation.
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Paul's Patterns
Fourth graders listen to the problem. As the students work ask them questions that require them to describe the patterns in their own words.
If the students are having problems with finding the patterns encourage them to explore the...
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QwikQure Algebra
Fourth graders are introduced to the problem using a bottle of medicine. They estimate the volume of the medicine and predict the instructions on the bottle. They then think about how they might solve the problem before asking them to...
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Moana's Watch
Fourth graders observe a digital watch and understand that it loses 11 seconds a day. Students work on the problem and focus their thinking on the calculations that they are using. They then share solutions.