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
Adam's Watch
Third graders use their watches to tell the time while the teacher lists their responses on the board along with the reasons for them (set incorrectly, gain/lose time). They solve the problem in pairs and focus their thinking on the...
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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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Measurement
Students use arithmetic in a practical situation using time and distance.
As the calculations involved in this problem involve single digit addition and multiplication it offers a good opportunity to encourage the students's use of...
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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
Problem Solving
Eighth graders complete Calculator Explorations, Problem -solving, and the Discussion topic as outlined in the worksheet from Lola May's Teaching Math - Extending the meaning of multiplication and division.
Curated OER
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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Noughts
Students try to figure out the strategies to the game Noughts. Students logic must play a part in the process of the game. Students apply the symmetries of regular polygons. Students devise ways to critically follow a chain of reasoning.
Curated OER
Weighing Time
Students devise a strategy to solve problems that is done in a systematic and mathematical fashion. The finding of the unknown value is the focus of the lesson. To solve linear equations proficiently is the skill of the lesson.
Curated OER
Tile My Bathroom Floor
Seventh graders create a bathroom floor plan using measurement math. In this measurement lesson, 7th graders use measurement, proportionality, estimation, and area to design a floor plan. Students design floor tiles using centimeter...
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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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Super Darts
Students invent a new game using 2 rings, 4 darts, and a dartboard. They listen to the problem and brainstorm solving strategies. Students that finish early should try to invent their own super darts problem.
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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.
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Square Milk Bottle Crates
Students attempt a problem that Students has the potential to have more than one solution. Hence the problem is accessible to a wide range of students. The problem is essentially about finding patterns and this is typical of a number of...
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Counting Pills
Students are introduced to the problem. They brainstorm ideas for approaching the problem and keeping track of what has been done. Students work on the problem in pairs to discover what strategies might help to find the answer.
Curated OER
Basketball Caps
Learners 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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The Chicken Run
Fourth graders work in a group of 4 to make rectangle with a 12m length of string. They discuss its perimeter and how they would calculate its area. Then another group of 4 make another rectangle and estimate if the area would be greater...
Curated OER
Sandlapper Solutions
Young scholars use mathematical thinking and reasoning to translate problems into mathematical language and thereby solve the problems. They extend their understanding of whole number operations to fractions and decimals by participating...
Curated OER
Ohio Census 1990 and 2000
Young scholars begin the lesson by examining Census data from the state of Ohio from 1990 and 2000. Using a worksheet, they solve problems using the data and a calculator. They share their responses with the class and discuss what the...
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Buttons and Bears
Learners read the problem and then identify the important information in the problem and highlight. They then brainstorm for ways to solve the problem by drawing a picture and working in pairs.
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The Farmer's Sheep
Students use problem solving skills, logical thinking, and their ability to work sequentially in order to solve an algebra problem. They listen to the problem read aloud by the teacher and devise a plan in order to solve the problem.
Curated OER
Free Cell
Fourth graders use algebra to begin solving a problem. The problem has a real world application to engage learners. The main skill is converting fractions and decimals. Also finding the right number sentence for the word problem is...
Curated OER
Use Logical Reasoning
In this logical reasoning, students figure out in what order to place four different shapes by reading the clues. Students solve the problem by drawing the shapes in the correct order.
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Gremlins
First graders investigate the missing numbers on an equation chart in order to practice their addition and subtraction skills. They work with sums up to twenty and use up to twenty objects to work with subtraction equations. They listen...