Curated OER
Menu Mania
Students explore the concept of estimating by watching a video, and discussing the strategies for estimation. They estimate the costs for various menu items, then calculate the exact amount spent.
Curated OER
Odd Is In
Pupils play a game with coins and then use reasoning skills to develop a strategy for winning the game.
Curated OER
Finding Satisfactory Solutions
Students explore the creative aspects of problem-solving and practice creative problem-solving strategies in the context of a story problem. They decide where to locate ice cream stands in a town so that no one has to travel too far to...
Curated OER
Every Breath You Take
Students explore the nature of the air we breathe by observing petri dishes that have accumulated particulate matter from the atmosphere. Students make mathematical calculations and inferences about the effect of this matter on...
Curated OER
Hooked On Problem Solving
Fourth graders use properties of operations and problem-solving strategies to do mental calculations, and look for patterns in the solutions. They create an array, using each of the digits 1-9 exactly once to form addition problems...
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
Math: Who Makes an Epidemic?
Students calculate the threshold value for the number of susceptible people needed to create an epidemic. They examine a real life flu epidemic and use the SIR model to solve the problems. Students discover they can use mathematics to...
Curated OER
What You See Is What You Get
Students practice visualization as a strategy for reading and comprehending math word problems.
Curated OER
Carbondale: The Biography of a Coal Town
Students use a brief history of the growth and decline of the anthracite region in the state to create a photograph and map "peak shaped" time line. They practice map and photo analysis strategies to "read" photographs and maps.
Curated OER
Where in the World?
Learners explore how GPS works, the mathematics behind the technology, and how GPS is used. They find positions in one and two dimensions, and participate in a WebQuest that explores how math is used to find a location on Earth using GPS.
Curated OER
How Many Strips?
Second graders investigate the measurement of 1 meter. They predict and measure how many strips of paper it takes to make exactly one meter. Students devise and use problem solving strategies to solve the problem.
Curated OER
Parking Meters
Third graders are introduced to the problem with a short discussion about parking. They then solve with a partner. As they work ask questions that focus on the strategies they are using to make the calculations.
Curated OER
No-Three-In-A-Line Game
Students use logic and reasoning to answer problems. Through interpreting information and results in the context to examine patterns. They examine how to solve the problems using strategy in mathematics.
Curated OER
Block It Game
Students use problem solving strategies such as guess and check and visualization to play the game. They use mental mathematics to decide on the placement of pattern blocks and look for patterns.
Curated OER
Endangered Biomes
Students compare data from two proposed strategies on how ot best preserve the diversity of plants and animals. They complete a worksheet and share theirviews with the rest of the class.
Curated OER
Save Your Change
Students solve problems involving exponential, logarithmic, and scientific notations. Using calculators, students explore investment problems. They use a formula and logarithms to determine the years to earn a particular income, figure...
Curated OER
The Topsy-Turvy Twins
Fourth graders read the problem and brainstorm for ways to solve the problem - list these on the board for the students to refer to as they solve the problem. They work in pairs and focus on the strategy selected.
Curated OER
How Far!
Fourth graders perform basic calculations using time. They read and construct a variety of scales, timetables, and charts. Students devise and use problem solving strategies to explore the situation mathematically.
Curated OER
Belongs, Doesn't Belong
Fifth graders discover the rule used to sort a set of data into two sets, those data that belong according to the rule and those data that don't belong. Students participate in a game to determine the rule. They discuss strategies for...
Curated OER
Ws and Worms
Students explore problem solving strategies. Given real life problems, students examine the sum of consecutive strings of whole numbers. Students use diagrams and sequencing to solve problems. Students justify their mathematical...
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
Students 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
Missed The Boat
Students complete time and distance problems. Using appropriate problem solving strategies, students determine when a helicopter will catch a cruise ship. Students write a summary of their solution process. They complete a graph to...