Lesson Plan: Introducing Non-Unit Fractions and Equivalence
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Print Lesson PlanOverview
Students are taught how to interpret fractions where the denominator describes the number of equal parts and the numerator describes how many of those parts one has. They are also introduced to naming equivalent fractions by dividing a circle. This Cyberchase activity is motivated by an episode in which the CyberSquad creates a recipe for an antidote to MotherBoard's virus.
Grade Level:
3-5Suggested Time
60 minutes
Media Resources
Retrieving 2/5 of Electro-Root QuickTime Video
Retrieving 2/8 of the Healing Stone QuickTime Video
Materials
The Antidote Handout
Assessment: Level A
Assessment: Level B
Answer Key
The Lesson
Part I: Learning Activity
1. Distribute The Antidote Handout .
2. Read the following: "Hacker has given MotherBoard a virus, and now she is turning everyone green and mean. The CyberSquad is trying to find the ingredients to make the antidote, which is a medicine to counter an illness. In this video clip, Jackie and Inez must get 2/5 of the Electro-Root from the gorillas for the antidote, and leave 3/5 for them to use."
3. Ask students to complete the handout.
4. Tell the students that they will watch a video in which the CyberSquad tries to figure out how much Electro-Root they need. Ask them to compare their approach to the one in the video.
5. Show the Retrieving 2/5 of Electro-Root QuickTime Video .
6. Discuss and compare the answer in the video clip with the students' answers to the Electro-Root part of the handout.
7. Tell the students that they will watch another video clip, in which Matt and Digit's task is to bring back 2/8 of the Healing Stone. Ask students to watch the video to see if their solution to the Healing Stone part of Handout 1 is the same as that of Matt and Digit's.
8. Show the Retrieving 2/5 of Electro-Root QuickTime Video .
9. Discuss and compare the answer in the video clip to the students' answers to the Healing Stone part of the handout.
10. On the board, ask students how they answered the part of the handout about finding 1/3 of Hacker's wig gel. Draw their various solutions and discuss.
Part II: Assessment
Assessment: Level A (proficiency): Students are asked to match fraction names with pictorial representations of the fractions.
Assessment: Level B (above proficiency): Students are asked to make pictorial representations of equivalent fractions.
We assign reference terms to each statement within a standards document and to each media resource, and correlations are based upon matches of these terms for a given grade band. If a particular standards document of interest to you is not displayed yet, it most likely has not yet been processed by ASN or by Teachers' Domain. We will be adding social studies and arts correlations over the coming year, and also will be increasing the specificity of alignment.Media Resources Used in this Lesson:
Retrieving 2/5 of Electro-Root
(QuickTime Video)
Retrieving 2/8 of the Healing Stone
(QuickTime Video)
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Collection Developed by:
Collection Funded by:
Funding for the VITAL/Ready to Teach collection was secured through the United States Department of Education under the Ready to Teach Program.