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Consecutive Numbers
Like all of the Problem Solving units, this one aims to introduce students to the underlying ideas of mathematics through a problem. The problem here requires a knowledge of arithmetic and the use of some algebra. In this unit we see how...
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EXPLORING OUR HUMAN BODIES
Students observe and investigate the human skeletal and muscle systems. They become aware of the versatility of movement as well as gain experience through the use of diagrams and hands on activities. An extensive vocabulary is covered...
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Fractions: Adding Same Denominator
In this math instructional activity, students look for the answers to the addition with fractions of the same denominator. There is a button at the top of the page for the answers.
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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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Create A Question
Pupils explore mathematical problem solving. Given a case problem, students write a rule to solve problems involving decimal multiplication and division. They invent problems, share them with the class, and solve other student's problems.
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Multiple Ways to Add and Subtract
Third graders recall multiplication facts to tens. They recall factors of numbers generated by multiplication facts to ten. Students become familiar with the use of brackets in notation. They multiply two digit numbers by a single...
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The Clumsy Tiler N (Metric)
Students explore patterns and geometric sequencing. Students devise and use problem solving strategies to explore situations mathematically. Students solve real life problems. They demonstrate, with cardboard pieces, fraction and...
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Toy Planet
Young scholars design a toy store, supply it with merchandise (on paper) and create advertisements. They also manage the store's debits and credits by using a spreadsheet. They consider how to promote the sale of their merchandise.
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The Fathers' Day Card
Students subtract using decimals and find half of a decimal number. They write and solve problems which involve decimals and which require a choice of one or more of the four arithmetic operations.
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Models for Dividing Fractions
Sixth graders represent division of fractions using manipulatives, such as freezer pops, candy bars, and models such as drawings squares. They develop an algorithm from these examples and solve problems using fractions.
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Get a Line on Integers
Students explore number sense by completing math function problems in class. In this integers lesson, students define integers and practice plotting them on a number line. Students utilize math functions such as addition and...
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Number Properties-Know'em, Like'em, Use'em
Ninth graders explore mathematical properties through the use of an advertising jingle. They produce a commercial that is digitized and presented to the class. Students write a jingle that simplifies each property and helps classmates...
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Joining Hands
Second graders explore the inverse relationship of addition and subtraction in a "hands-on" activity based on the fact families of ones, twos and threes.
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Far Out Fact Families
Second graders explore related multiplication and division facts. They study the inverse relationship of multiplication and division and engage in a group discussion about families. They complete a web-based lesson which is imbedded in...
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Who's In The Fact Family?
Students study related addition and subtraction facts. In this math lesson, students use related addition and subtraction to solve problems. Students use manipulatives to explore fact families.
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What Makes Ten
Students investigate the concept of ten and how it is part of the real number system. They find the quantity of ten using as many combinations as possible. They can count using manipulatives, write on paper, or by doing mental math.
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Using Tens Frames To Build Addition And Subtraction Facts To Ten
Students review the basic addition facts through ten. They use tens frames to show number patterns and number families. They also form subtraction facts to ten using dot patterns on a quinary frame. Given a number sentence they find...
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In Addition / Additionally / Plus / Moreover / Furthermore / …as well
In this writing transitions worksheet, students practice using transitions as they write 7 sentences using in addition, additionally, plus, moreover, furthermore, and as well.
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Estimation Lesson Plan
Students use four different computer estimation applets with several classroom estimation activities.
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Team Puzzles
Fourth graders work in co-operative teams of four to complete a puzzle. Each student initially works independently, and then the team jointly puts together the four shapes they have individually made, to complete the puzzle.
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Making Rectangles
Students study rectangles. In this math lesson, students use numbers, measurements and geometry to draw rectangles of varying sizes.
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A Rounding Review
Fourth graders review rounding to the nearest ten, hundred, and thousand with this fun lesson centered around a visit to the computer lab.
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Array to Go!
Second graders are introduced to arrays as a means for multiplication readiness. Once students are comfortable with naming the array by counting the columns and rows, they integrate skip counting.
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Million Dollar Gift
Third graders create a box big enough to hold a million dollars. This is a project fun to do near the winter holidays with inexpensive gifts included in the boxes. This hands-on instructional activity very effectively demonstrates the...