TechChef » apps for math

10 May 2012
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iClassify Triangles: Part 2

This post is a follow-up to the original iLesson “iClassify Triangles“. The original lesson provides a few direct instruction videos on classifying triangles, a set of mystery triangle flash cards, and a handful of extension app-tivities. The following could be used as a stand-alone geometry resource or an additional app-tivity to support the initial iLesson.

Student Task: Use the Geoboard app to make an example triangle for each of the following triangles using the specified color:

Yellow: obtuse isosceles
Red: scalene right
Purple: right isosceles
White: acute scalene
Green: acute isosceles
Orange: obtuse scalene

Extensions: Complete the question and one of the tasks below.

Question: Which triangle can you not make and why? acute equilateral
Task 1: Take a screenshot and bring the completed Geoboard image up in Skitch. Calculate the perimeter and area of each of the triangles.
Task 2: Graph triangles in Geometry Pad. (Teacher could provide a task card with specific directions: e.g. “graph an isosceles right triangle in quadrant 2”).

Check out these other Math iLessons.

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TechChef4u now offers a Doc Locker full of freebies and goodies that can be used in the classroom. Lots of resources and templates can be found in the Creatively Productive Digital Downloads Doc Locker. Just sign up using the form below and you will receive an email shortly with a secret link to the site and password to nab your freebies.

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31 Mar 2012
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Doodle Zoo

After meeting with the 5th Math Specialist to collaborate and plan, I feel like we have a really good plan for next week’s 5th Math training. The intent was to provide technology tools for teachers that would not serve as “one hit wonders.” Rather, we wanted to provide teachers with a Bag of iTricks that could be used to support multiple mathematics skills… and other content areas. The iLesson below not only reduces paper waste but provides a viable alternative to a pencil and paper task.

The original task included an herb garden plot, I simply took the same numbers and modified it to work with the stamps and images available in Doodle Buddy for iPad.

The iLesson video below was created with Reflections web app that allows screen mirroring of your iPad.

Student Task: Create a square model that represents the 4 divisions of a children’s zoo. Divide and label the square plot to reflect the following:

50% Carnivores
25% Herbivores
15% Amphibians
10% Aviary

Here are the steps in Doodle Buddy:

Choose a background if appropriate (from the tic-tac-toe icon).
Use the shape stencil to create a square.
1. Leave some work space on the right or left of your square.
Fill in the square with the color of your choice.
Draw a line to represent 50%.
Add a stamp to represent that division (e.g. lion represents carnivores).
1. If the stamps featured are not available, check the shopping bag icon to purchase them with Doodle Bucks. You should be give enough default bucks to “purchase” a couple of stamp packs.
Add a text box to represent 50%.
Repeat steps 4-6 for the rest of the sections.
Use a combination of the drawing and text tools to answer the following problem
1. If the Amphibians are allocated 75 square feet of space, how many square feet are in the entire children’s zoo?
Save a copy of your project to the photo album via the wrench icon.
Send the image via email to your teacher via the wrench icon.
Include your explanation for the question in #8 in the body of the email.

Doodle Zoo Final Product using Doodle Buddy

Possible Extensions:

Have students complete the square feet for the rest of sections in the children’s zoo.
Have students create their own problem with their own percentages and have their partner solve it. Doodle Buddy contains stamp packs that would lend themselves to:
1. Animals in an Aquarium
2. Animals in a Petting Zoo or Farm
3. Food on a Lunch Tray
4. Cars in a Parking Lot
Import the image into ScreenChomp and complete the problem solving and explanation with audio.

Other iLessons Utilizing Doodle Buddy:

Doodle Buddy was also featured in “Hot Apps 4 HOTS” iBook to support Bloom’s taxonomy in the iClassroom.

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24 Feb 2012
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Math-tastic iVocabulary

After taking a look at the 8th Math Benchmark Exam and perusing the student data, a few things became abundantly clear: Much of the test involved vocabulary AND successful problem-solving was based on the knowledge of that vocabulary and the ability to assimilate the given terms and information in order to draw an object, produce a table, or complete a graph.

While this is not really a shocking revelation (especially to those who teach Math as I did), I instantly began thinking of apps that could support math vocabulary in engaging ways.

All of our Math classrooms at Ed White have access to a class set of iPods. Thus, I focused on three FREE iPod apps that could be used in small groups and stations.

Doodle Buddy: The Math Facilitator had mentioned an activity where students work in pairs. One student would have a vocabulary word (e.g. isosceles right triangle) and the other student would have a dry erase board. Student 1 would be provided with a word and a sample drawing/representation or definition for that word. Student 2 would then draw the word without looking at the representation. Students would take turns reading and drawing.

iPodsibility: Student 1 would use teacher-created Quizlet vocabulary deck imported into Flashcards* app to provide the words and definitions (pictures can be included in the deck for $15/year). Student 2 would then draw the figure using Doodle Buddy (with Dots & Boxes background). Doodle Buddy app can be shaken to clear the board for the next object much like an etch-a-sketch. (More iClassroom Examples of Doodle Buddy: Apps for the Classroom & Techchef4u.)

StoryLines for Schools: This is a surprisingly educational app and a modern day app-ification of the telephone game! The classroom application would be vocabulary.

iPodsibility (1 iPod): Students could work in small groups of 3 with 1 iPod. Using 1 iPod: Student 1 would type in the definition of a word (e.g. “a triangle with two equal sides”) and then pass the device to student 2. Student 2 would draw an example of this definition and then pass the device to student 3. Student 3 would then write the word that is associated with the picture (they would not see the definition).
iPodsibility (3 iPods): This idea is very similar to using 1 iPod but each student would enter in a definition and then pass the device. Thus, there would actually be three vocabulary words going around at the same time.

TypeDrawing Free: This app allows students to draw with words and is perfect for illustrating vocabulary in a beautifully graphic and memorable visualization.

iPodsibility: This would be best executed at a station or with individual students. The idea would be to think of all of the components and words that make up a shape. For example, the following words could be associated with an isosceles right triangle: leg, right angle, height, base, hypotenuse, acute angle, triangle, etc… Students would generate a list of vocabulary words (on a sheet of paper or in the Notes app). These words would then be used to describe a shape and then illustrate the shape given those words.

Hungry for more Math lessons, check out these!

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14 Nov 2011
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iModel iPad Lessons with Number Line

In building the “iTools for the 1 iDevice Classroom” workshop, we felt there was a great need for modeling how various game-like apps can be utilized in multiple settings (e.g. cooperative pairs, small groups, stations, whole class). We also felt very strongly that it wasn’t enough to just talk about classroom and curricular uses but to truly model and discuss how task cards and recording sheets would be used and what follow-up and extension activities would look like.

iModel with Explain Everything: I have used Explain Everything to model how an iLesson could be delivered using the resources that have been provided within the Number Line apptivity. (Check out KSAT’s iPAd Curriculum site for Number Line lesson and score sheet).

iNewsletters & Extensions: Consider sending home an iNewsletter for Parents so any student with access to an iPod or iPhone at home could utilize the apps at home for remediation or extension. ShowMe and ScreenChomp would be great iPad apps to use to have students create their own word problem or iLesson on fraction, decimal, percent conversion. If students didn’t have access to an iPad, consider using the video recorder to record themselves working out a problem or modeling a unique approach to conversion.

Hungry for more? Check out NEISD’s “iTools 4 the 1 iDevice Classroom” SlideShare workshop as well as HOT Apps 4 Literacy (includes task cards and recording sheet for ELA game-like apps).

iTools 4 the 1 iDevice Classroom

View more presentations from NEISD Technology Resources