Curated OER
Perform Accounting Functions
Students practice performing various accounting functions. Given analysis records, they prepare cost and revenue analysis based on specific criteria. They complete handouts and review their answers as a class. They also discuss the...
Curated OER
Venn Diagrams & Word Problems
Students explore the concept of Venn Diagrams through word problems. In this Venn Diagram activity, students solve word problems about groups of people using Venn Diagrams. Students use survey results about MySpace and Facebook in a...
Curated OER
Create A Question
Students 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...
Curated OER
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.
Curated OER
Squirt
Fourth graders using the idea of "how many more squirts" fill a container to develop multiplicative thinking. They also investigate the idea of conservation of volume when working with oddly shaped containers. They attempt to use...
Curated OER
Population Ratios
Students access web site and record various population statistics pertaining to a county in the USA of their choice. They use this data to set up and solve ratios. They compare data to make meaning of the numbers.
Curated OER
This is to That
Learners look at ratio, what it means for numbers or objects to be in a given ratio, and how ratios and fractions are related. They write and solve story problems which involve whole numbers, using addition, subtraction, multiplication,...
Curated OER
The Clumsy Tiler N (Fractions)
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...
Curated OER
Number in Geometry
Students use a number line to assist with their additions. They use a calculator to check for factors. Students are taught factors and multiples. They use array model of multiplication to define meaning. Students develop a wide range of...
Curated OER
Time For Breakfast
This unit encourages students to assess the validity of a set of statements and then plan and carry out investigations to find out whether the statements are true. Students then carry out statistical investigations of their own.
Curated OER
Squirt Level 3
Students use the lesson, "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 partially filling a...
Curated OER
Marshmallows
Third graders estimate the volume and mass of one marshmallow using appropriate standard units. They design and carry out an investigation to find the average of volume/mass of one marshmallow.
Curated OER
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.
Curated OER
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.
Curated OER
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.
Curated OER
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.
Curated OER
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.
Curated OER
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...
Curated OER
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.
Curated OER
Time Problems
Students make sensible estimates and check for reasonable results. They also solve problems with positive and negative integers using practical activities or models as needed.
Curated OER
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...
Curated OER
The Difference Bar 2
Students use Internet software, The Difference Bar, to work out the difference between two numbers by breaking numbers into parts. Students use mental strategies to work out the difference between any 2 two-digit numbers. Students...
Curated OER
Take Away Bar 2
Learners use an Internet tool, The Take-Away Bar" to solve subtraction problems. They use mental strategies to subtract a two-digit number from a larger two-digit number. Students write and solve subtraction problems. They describe...
Curated OER
Capacity Lotto
In this mathematical worksheet, students convert fifteen metric units of capacity and multiply and divide whole numbers by 10, 100 and 1000.