
Understanding Similar Shapes

Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Easy
Standards-aligned

Liam Anderson
Used 2+ times
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between similar and congruent shapes?
Similar shapes are always smaller than congruent shapes.
Congruent shapes have the same shape but different sizes, similar shapes are identical in size and shape.
Similar shapes have the same shape but different sizes, congruent shapes are identical in size and shape.
Similar shapes have the same size, congruent shapes do not.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can knowing that shapes are similar help in calculations?
It makes it easier to find the volume of the shapes.
It helps in determining the color of the shapes.
It simplifies the calculation of lengths and angles.
It allows for the calculation of area directly.
Tags
CCSS.7.G.A.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the scale factor between two similar shapes?
Multiply the larger length by the smaller length.
Add the lengths of both shapes.
Divide the smaller length by the larger length.
Divide the larger length by the smaller length.
Tags
CCSS.7.G.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a triangle has sides of 3 cm and 4.5 cm, what is the scale factor if the corresponding sides of a similar triangle are 4 cm and 6 cm?
2
1.5
1.25
0.75
Tags
CCSS.7.G.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the corresponding length if a side of 5 cm is multiplied by a scale factor of 1.5?
8 cm
5.5 cm
7.5 cm
6.5 cm
Tags
CCSS.7.G.A.1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find a smaller length if given a larger length and the scale factor?
Multiply the larger length by the scale factor.
Add the scale factor to the larger length.
Subtract the scale factor from the larger length.
Divide the larger length by the scale factor.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a problem involving similar triangles with parallel sides, what is the first step to find a missing length?
Determine the perimeter of the triangles.
Measure the angles.
Calculate the area of the triangles.
Find the scale factor.
Tags
CCSS.7.G.A.1
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