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Number Sense
First graders practice rounding 4 digit numbers using place value concepts. For this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
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Sports Bag
Students determine an efficient layout of the pattern pieces needed to make a sports bag with given dimensions and specifications. Given a word problem, data set and a diagram, students evaluate the information they have available and...
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Multiplication Facts for 2,5, and 10
Students practice multiplying by 2, 5 and 10. In this multiplication instructional activity, students participate in a teacher demonstration instructional activity of grouping for multiplication or making arrays. They concentrate on...
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Tortillas
Students convert recipes for tortillas. They calculate the amounts of ingredients as they convert recipes and write an explanation of the task to demonstrate their calculations. After reviewing their calculations, they demonstrate how...
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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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Replanting the Rainforest
Students practice problem solving techniques. They interpret data gathered by student researchers in Australia about the effectiveness of various strategies for controlling weed growth in a newly replanted rainforest.
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Weights
Young scholars 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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Subtraction Decimals
For this math worksheet, 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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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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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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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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More Lollies
Students review the days of the week and see if the students can recite he sequence using different starting days. Students retell the problem using their own words to check that everyone examines.
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Lollies, Lollies, Lollies
Students 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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Bargain Hunter
Students engage in a classroom shopping adventure to search for the best bargains.
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Make Your Own "Weather" Map
High schoolers 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...
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The Fathers' Day Card
Learners 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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Cannot Buy Me Love
Students 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 debits.
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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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A thousand seconds
Students 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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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.