Math Unit 2 Review
Test 10-27-25
Next
Slope
Slope can be calculated by drawing a slope triangle and then counting from one point to the next. The slope of the line of the right is 1 third.
#1
#2
#3
#4
The green points would be good points for a slope triangle since they cross the background grid at an exact corner.
The red points are not good points, since they only are on only one background grid line.
#5
Dilation
A dilation is a transformation in which each point on a figure moves along a line and changes its distance from a fixed point. The fixed point is the center of the dilation. All of the original distances are multiplied by the same scale factor.
Scale Factor
To create a scaled copy, you multiply all the distances in the original figure by the same number. This number is called the scale factor.
Center of Dilation
The center of dilation is a fixed point on a plane. It is the starting point from which you measure distances in a dilation.
Concentric Circles
Concentric circles are a series of circles inside one another with a shared center, also the center of dilation.
Similar
Two figures are similar if one can fit exactly over the other after rigid transformations and dilations.
Slope
The slope of a line is a number you can calculate using any two points on the line. To find the slope, divide the vertical distance between the points by the horizontal distance.
Match the Vocab Words
#6
Lesson Reviews:
Topic 2: Similarity
- similarity as a sequence of rigid transformations
- similar polygons and triangles
- corresponding parts of similar figures
- scaling rectangles to introduce dilations
- dilations on a circular grid
- dilations with no grid
- dilations on a square grid
Topic 1: Dilations
Topic 3: Slope
- introduction to the slope of a line
- slope triangles of a line are similar triangles
- using the slope to write an equation of the line
#7
Click on the link to play a labeling game.
#8
Fill in the Blanks.
#9
#10
Fill in the Blanks to Find What the Missing Sides are in the Picture:
#11
How do you know the following rectangles are simmilar?
Slide to See the Correct Answer.
#12
What is the slope equation?
Click on the die to play the Slope Equations game. Once you complete the problem, click "roll again" and it will take you back here. Only click "finish" when you have completed 6 different problems. If you don't feel like you need practice on slope euations, click the "pass" button below.
Pass
#13
Roll Again
Finish
#14
Roll Again
Finish
#15
Roll Again
Finish
#16
Roll Again
Finish
#17
Roll Again
Finish
#18
Roll Again
Finish
Are you sure you are finished? Doing this will finish the review. Do you want to go back?
Go Back
Finish
Great Job! Play this review game if you need more practice on Slope Equations.
https://solo.blooket.com/carrom?id=68fa6d5793af381f0316a3b1
If you need more practice, open the links below.
Math Slope Recording
Slope Resources
Similtarity Resources
Helpful Poster
Study Guide
Edio Review Lesson
Word Wall
Great Job!
Restart
Math Unit 2 Review
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Transcript
Math Unit 2 Review
Test 10-27-25
Next
Slope
Slope can be calculated by drawing a slope triangle and then counting from one point to the next. The slope of the line of the right is 1 third.
#1
#2
#3
#4
The green points would be good points for a slope triangle since they cross the background grid at an exact corner. The red points are not good points, since they only are on only one background grid line.
#5
Dilation
A dilation is a transformation in which each point on a figure moves along a line and changes its distance from a fixed point. The fixed point is the center of the dilation. All of the original distances are multiplied by the same scale factor.
Scale Factor
To create a scaled copy, you multiply all the distances in the original figure by the same number. This number is called the scale factor.
Center of Dilation
The center of dilation is a fixed point on a plane. It is the starting point from which you measure distances in a dilation.
Concentric Circles
Concentric circles are a series of circles inside one another with a shared center, also the center of dilation.
Similar
Two figures are similar if one can fit exactly over the other after rigid transformations and dilations.
Slope
The slope of a line is a number you can calculate using any two points on the line. To find the slope, divide the vertical distance between the points by the horizontal distance.
Match the Vocab Words
#6
Lesson Reviews:
Topic 2: Similarity
Topic 1: Dilations
Topic 3: Slope
#7
Click on the link to play a labeling game.
#8
Fill in the Blanks.
#9
#10
Fill in the Blanks to Find What the Missing Sides are in the Picture:
#11
How do you know the following rectangles are simmilar?
Slide to See the Correct Answer.
#12
What is the slope equation?
Click on the die to play the Slope Equations game. Once you complete the problem, click "roll again" and it will take you back here. Only click "finish" when you have completed 6 different problems. If you don't feel like you need practice on slope euations, click the "pass" button below.
Pass
#13
Roll Again
Finish
#14
Roll Again
Finish
#15
Roll Again
Finish
#16
Roll Again
Finish
#17
Roll Again
Finish
#18
Roll Again
Finish
Are you sure you are finished? Doing this will finish the review. Do you want to go back?
Go Back
Finish
Great Job! Play this review game if you need more practice on Slope Equations.
https://solo.blooket.com/carrom?id=68fa6d5793af381f0316a3b1
If you need more practice, open the links below.
Math Slope Recording
Slope Resources
Similtarity Resources
Helpful Poster
Study Guide
Edio Review Lesson
Word Wall
Great Job!
Restart