Curated OER
Harvest Halloween
First graders brainstorm mathematic manipulatives to assist them with a given set of problems. They work in pairs or small groups and write and/or draw to explain how they solved the problem.
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Arrays of Food
This lesson is based on video clip 220 from the Count on it! series, however the same problem can be posed with out the video. Learners work independently to determine the amount of dried food they will need for a camping trip. Each...
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Multiplication as a Repeated Addition
In this multiplication reasoning learning exercise, students solve 18 problems that require them break down the problems as repeated addition.
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Multiplication Lesson Plan
Learners demonstrate multiplication facts using an interactive whiteboard. In this multiplication lesson, students use an online activity on a whiteboard to master multiplication facts. Learners complete an online quiz as a follow-up.
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Yummy Apples!
Students discuss apples and how they are grown. They listen as the teacher reads "Apples," by Gail Gibbons. Students discuss the story. They view several different types of apples and compare their characteristics. Students taste several...
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My Test Book: Story Problems
In this math skills practice worksheet, learners solve 10 multiple choice math problems that require them to respond to story problems.
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Graphing Family Reading Habits
Second graders collect data from their families about their reading habits and graph them. In this graphing family reading habits lesson, 2nd graders interview family members about their reading habits. They then use a graphing computer...
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What's Poppin'?
Second graders determine and compare weights and volumes of popped and unpopped corn to make predictions and solve problems. Students combine the data of each group into a graph. They construct questions, statements and story problems...
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Graphing Favorite Holidays
Students create spreadsheets and bar graphs based on results of survey of favorite holidays.
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Multiplication: Building Models, Representations and Explanations
First graders explore multiplication concepts through skip counting, repeated addition and arrays. Using animal characteristics as a context, 1st graders solve problems using mathematical tools such as hundreds charts, number lines, ...
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The Ice Cream Shop
Second graders read books about ice cream and plan an ice cream sundae party for the class. They research ingredients and determine how much the party cost each student. They hold a mock opening for an ice cream store and have their party.
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Grade 2: Roll or Slide?
Second graders organize solids into categories, depending upon whether they will roll, slide or do both on a home made ramp. Students describe and compare attributes of three-dimensional geometric solids.
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Numbers as Descriptors
Learners use numbers as descriptors. In this mathematical inquiry lesson, students use numbers to describe, classify, and compare plants. Learners are made aware that numbers can be used to describe things in the world around them.
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Plotting Amish Farmland
Second graders listen to the book, Down Buttermilk Lane by Barbara Mitchell. They discover how to read a grid and then together as a class, plot 2 squares, one yellow and one green. Then they plot the remaining squares independently and...
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The Literature Connection
Second graders read Cucumber Soup by Vickie Leigh. They make representations for the number of each kind of bug found in the book. This lesson is a terrific way to show students how fractions, decimals and percents are related.
Pennsylvania Department of Education
Alike and Different
Learners compare and contrast objects and are introduced to a Venn Diagram. In this alike and different lesson, students make observations regarding properties of objects. Learners classify object and build ideas about variables....
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Saving An Endangered Species
Second graders work in groups in order to look at specific internet sites for animal adoption and sponsorship. They select an endangered species, determine needed funds, develop, advertise, and carry out a fund-raising plan.