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by Brian Gervase
| 12 Questions
Note from the author:
This mini lesson introduces to students to formal translations of a shape. Emphasis on developing the 'vector' as the way to descibe a translation. Students have an opportunity to play with translations in a guided fashion using Geogebra applets.
This dynamic worksheet will introduce us to translations as a way to "move" an object.
The outlined content above was added from outside of Formative.
1
1 pt
In the above box, click the translate tool button (looks like 2 arrows) and then click the blue triangle and the vector u1. Describe what happened to the triangle.

2
1 pt
The new blue triangle is the exact same size as the original triangle.
True
False
3
1 pt
Move the vector u1 such that the head (arrow) end of the vector is exactly on a lattice point (a corner). What is the SLOPE of the vector? Enter your answer as a fraction of the form a/b.
4
1 pt
Using the slope as your guide, describe what happened to the triangle. Use words like "up/down" and "left/right".
5
1 pt
A vector is a way of describing to someone HOW to move an object using the x & y axes as reference. A vector is written in the form < 3, -7 > which means "go right 3 and then down 7" since the x part is positive 3 and the y part is -7.

Write the vector u1 from above in the proper vector form. Give your answer in the form <a,b> using no spaces!
The outlined content above was added from outside of Formative.
6
1 pt
What is the vector you used above? Write it in the form <a,b>.
7
1 pt
Consider two vectors <10,2> and <5,1>.

Compare and contrast these two vectors. What is the same about them and what is different?

The outlined content above was added from outside of Formative.
Note: Move the vectors above to convince yourself of the answers below!
8
1 pt
Which vector tanslates the blue triangle to the orange triangle?
u
z
v
none of them
9
1 pt
Which vector tanslates the blue triangle to the green triangle?
u
z
v
none of them
10
1 pt
Which vector tanslates the green triangle to the orange triangle?
u
z
v
none of them
11
1 pt
Write vector v in the format <a,b>.
Enjoy the puzzle below! Use the vector tool to move each piece where it belongs. Use the 'undo' button if you don't like your move!
The outlined content above was added from outside of Formative.
12
1 pt
Take a screen shot of your completed puzzle and put in the box below using the image tool.