Partitioning Circles and Rectangles - Step-by-Step Lesson

1st - 2nd
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Rather than a worksheet, this teacher resource is a one-page, scripted answer sheet for a guided lesson on partitioning circles and rectangles. First or second graders are asked to identify which figure shows halves. While the pupil handout is missing, the teacher guide can be reformatted for classroom use.

Resource Details

Two-Step Word Problems

Mathematics minors practice solving two-step word problems. They review the steps in solving word problems and read a word problem from the board. Have them identify the operations needed to solve the problem by acting out the problem or drawing illustrations of the word problem.

2: Isle of Shapes - Based on the Puerto Rico Quarter Reverse

Students identify both two and three-dimensional shapes. In this geometric shapes lesson, students listen to a teacher led lesson about the island of Puerto Rico. They look at the symbols and shapes on "Puerto Rico Quarter Reverse" on a transparency. They complete associated worksheets by drawing items in the classroom that match the given shapes and coloring the coin.

To Half or Half Not

Here is an outstanding lesson to help your charges identify equivalent fractions that represent one-half. Mathematicians engage in activity where they try to outsmart an alien from the planet of Fractional who is coming to their classroom to take one-half of their candy. They work with geoboards, spinner games, and role-play they are working in the customer complaint center of a ribbon factory.

Recycling

Students investigate how to reduce, recycle, and reuse items in order to conserve natural resources. They complete a trash graphing activity after discussing different types of trash. Finally, the examine ways to buy recycled products to extend their conservation efforts.

How Rich Is Rich?

Second graders read "Alexander, Who Used to Be Rich, Last Sunday" by Judith Viorst. They watch a video of the book and identify and record amounts of money mentioned in the story. They investigate money-related websites.

Area: It's What's on the INSIDE That Counts!

Second graders participate in a series of hands-on, online and multimedia activities that examine the concept of area. After a brief introduction of area, 2nd graders view clips from the animated series Math Monsters and discuss the purpose of area and how it is used in the real world.

How Rich Is Rich?

Second graders add a group of coins and bills. They compare groups of coins and bills and decide which groups are greater or less than others. Students interact with classmates to develop a spending plan for a given amount of money.

Area: It's What's on the INSIDE That Counts!

Second graders participate in a series of hands-on, online and multimedia activities that examine the concept of area. They view clips from the animated series Math Monsters and discuss the purpose of area and how it is used in the real world.

Find Area by Breaking Down a Rectangle into Smaller Rectangles

Explore with young mathematicians how large rectangles and be broken into smaller ones when finding area. This process is clearly modeled with visual examples, each with multiple possible solutions. Consider pausing the video and allowing children to discuss, in small groups, the different approaches for breaking up the rectangles in each example. Extend the lesson by formally introducing the distributive property, which is clearly demonstrated in this resource, though it is not explicitly mentioned.

Judge and Jury

Students measure distance in nonstandard units. They record measurement. They construct a bar graph of the measurements. They make comparisons using the bar graph.

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