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Subtraction Decimals
In this math instructional activity, students subtract the decimals while taking special care to keep the decimals in the correct place value. The answers are also available.
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Weights
Students find an object that they estimate weighs 20g and check estimates on the balance scales. They read the problem and work in pairs focusing their understanding on the size of grams.
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Getting Partial
This unit introduces a number of important concepts relating to fractions. The first of these is that fractions represent parts of regions and sets and so are useful in a large variety of situations. Whole numbers are not enough by...
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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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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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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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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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Bargain Hunter
Students engage in a classroom shopping adventure to search for the best bargains.
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Make Your Own "Weather" Map
Students create their own "weather" map using data from x-ray sources. They analyze and discuss why it is important to organize data in a fashion in which is easy to read. They compare and contrast different x-ray sources using a stellar...
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Cannot Buy Me Love
Young scholars investigate the concepts that are related to finance and how it is used in the world. They take part in activities that are focused around the use of a spreadsheet while using a T-chart to simulate a ledger of credits and...
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Squirt Level 3
Students use the instructional activity, "Squirt", to support students' development of multiplicative thinking. Squirt encourages students to anticipate multiplicative measurement relationships, e.g. three measures of A fit in B, by...
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More Lollies
Learners review the days of the week and see if the students can recite he sequence using different starting days. Learners retell the problem using their own words to check that everyone examines.
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Lollies, Lollies, Lollies
Learners listen to the problem read to them. They answer some simple questions using number sentences. They then compose a written record of the solution and share their approaches used.
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A thousand seconds
Pupils use seconds, minutes, and hours. They then discuss the size of a thousand. After that they read time in digital or analogue form.
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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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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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Fractional Blocks
Young scholars explore the concept that fractions can also be considered a ratio. They discover that the fraction bar can be read as "out of." Students practice basic multiplication facts and use patterns to find fractions of shapes.
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M&M: Multiplication Madness
Students analyze the multiplication facts from zero to ten in the ten lessons of this unit. The concepts of mental multiplication and solving word problems are important components of this unit.
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Now You See Me, Now You Don't
Second graders develop an awareness of the power of their minds to work with visual images. All the activities in this unit help strengthen visualization that is an important tool or process in Geometry.
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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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My Dogs
Students use the properties of multiplication to solve problems. They recall the basic multiplication facts as well as write and solve problems that involve whole numbers.
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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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Fraction Trains
Students examine how multiples of the denominator indicate that a fraction can be renamed as a whole number, and convert improper fractions to mixed numbers. Independently they read examples, and complete a variety of problems on a...