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Estimating for Accuracy
Students are introduced to the topic of estimation. Using various methods, they estimate and calculate the answers with the use of a calculator. They develop a practice to always estimate answers involving percentages and use a...
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Triangle Sums
Fourth graders determine a way to place numbers in the nine circles that are arranged in a triangular pattern so that each side has an equal sum. They use each number once and practice adding single digit numbers.
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Darts Game
Third graders attempt to determine what the scores of the game in the problem could be. They work with basic multiplication facts to justify the solutions to a dart game and share all of the possible scores.
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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
Young scholars 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...
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Adding Ten Tiles I
Students practice this problem that needs a certain amount of experimentation (trial and error) to get any answer at all. In the process they practice their basic number facts. However, to get the complete set of answers Students need to...
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Standard Envelope Sizes
Students measure the length and width of various sizes of envelopes. After comparing the envelopes, they explore the ratios, percentages, and rates. Students discuss postal rates and compare the cost of mailing items, delivery times, and...
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Squirt Level 3
Young scholars use the instructional activity, "Squirt", to support students' development of multiplicative thinking. Squirt encourages young scholars to anticipate multiplicative measurement relationships, e.g. three measures of A fit...
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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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Capacity Lotto
In this mathematical worksheet, learners convert fifteen metric units of capacity and multiply and divide whole numbers by 10, 100 and 1000.
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Mathematical Magazines
High schoolers use ads from magazines to create data to be measured and apply the skill of estimation. They record the percentage of magazine ads that could be separated into different categories made by students through the use of...
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The Amazing Race
Seventh graders engage in a discussion to determine their experience with traveling. Ask them to describe differences in transportation, currency, culture, food, accommodation, etc. Then they discuss the different expenses one has when...
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Seaside Science
Learners research sea life using laptop computers. In this sea life lesson plan, students participate in a field trip to the beach and enter observations into their laptop computers. Learners classify shells and sea life.
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Cleaning Air with Balloons
Students examine how a pollutant recovery method functions in cleaning industrial air pollution. They listen to a teacher-led discussion, conduct an experiment with balloons, static electricity, and pepper, and observe and record the...
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Finding Percent of Change/ Increase or Decrease
Seventh graders explore the skill of finding the increase and decrease of a quantity. Calculating the increase and decrease is covered by a percent. The proporition for finding a percent is also part of the lesson.
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The Atmosphere
Learners calculate the percentage of oxygen in the atmosphere. They create a semi-scale drawing of the atmosphere.
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Hitting the Roof
Students examine the state of the British housing market. In this current events lesson, students visit selected websites to study Gordon Brown's plan for eco-towns, how to borrow money to buy homes, and what the home prices are in...
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Determining the Age of Fossils
High schoolers examine the concept of radioactive dating. In this radioactive dating lesson, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.
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Slosh, Dribble, and Plop
Young scholars recognize the need for a standard unit of volume. They estimate and measure to the nearest liter. Also they relate the liter to the familiar everyday containers.
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Equal Additions
Students explore the relationships between numbers through the use of "equal addition" and "equal subtraction." Through the use of number sense, they are able to computer addition and subtraction problems mentally. Individually,...
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The Divider (whole number remainders)
Third graders use the lesson to support division of whole numbers where there is either no remainder or whole number remainders. They are able to
slit division problems into parts using known multiplication and division facts.
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Decimal Fractions of a Set
Sixth graders practice problem solving equations of fractions, ratios and proportions, addition and subtraction stage 6 as well as advanced additive. Emphasis is placed on decimal fractions and then they convert fractions to decimals.
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The Multiplier (larger 2-digit by 1-digit numbers)
Students utilize number sense applications to multiply two digit numbers. They use "The Multiplier" and Internet source to partition and solve 2 digit by 1 digit multiplications. Students describe how to solve 2-digit by 1-digit...
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What are the Chances: A Game of Chance!
Sixth graders experiment with dice, playing cards, pennies and computer-generated simulations to calculate probability. They use compiled data to make predictions.