

Scaled Images
Presentation
•
Mathematics
•
7th - 8th Grade
•
Medium
+4
Standards-aligned

Julianna Esposito
Used 10+ times
FREE Resource
10 Slides • 11 Questions
1
Scaled Images

2
Open Ended
What is a Scaled Image? (also known as a scaled copy)
Where would we use a scaled image?
¿Qué es una imagen escalada? (también conocido como copia escalada)
¿Dónde usaríamos una imagen escalada?
3
A scaled image is a larger or smaller copy of an original shape as long as the new shape is stretched in a way that does not distort it.
¿Qué es una imagen escalada?
Una imagen escalada es una copia más grande o más pequeña de una forma original, siempre y cuando la nueva forma se estire de una manera que no la distorsione.
4
VIDEO TIME!
Malique is drawing scaled images!
https://us.sofatutor.com/mathematics/videos/relating-scale-drawings-to-ratios-and-rates
Junior needs to scale up his pet carrying case!
https://us.sofatutor.com/mathematics/videos/the-unit-rate-as-the-scale-factor
5
Open Ended
Something we use quite often are maps! Why would scaled images be important in relation to maps?
¡Algo que usamos muy a menudo son mapas! ¿Por qué las imágenes escaladas serían importantes en relación con los mapas?
6
7
Open Ended
Is the new picture of the scaled image? Why or why not?
¿Es la nueva imagen de la imagen escalada? ¿Por qué o por qué no?
8
9
Multiple Select
Which 2 options are the scaled images?
¿Qué 2 opciones son las imágenes escaladas?
A
B
C
D
E
10
To make a scaled copy, we multiply all the lengths in the original figure by the same number. This number is called the scale factor.
11
Multiple Choice
What is the scale factor to go from the triangle on the right to the triangle on the left?
¿Cuál es el factor de escala para ir desde el triángulo a la derecha hasta el triángulo de la izquierda?
times 1.5
times 2
divided by 1.5
divided by 2
12
13
Multiple Choice
What is the length of the missing side on the small triangle?
5
7
9
11
14
15
Multiple Select
Which A is a scale image of the original A?
¿Cuál es una imagen a escala de la A original?
Figure 1
Figure 2
Figure 3
figure 4
16
Multiple Choice
What is the scale factor to go from the original triangle to Copy 1?
¿Cuál es el factor de escala para pasar del triángulo original a la copia 1?
+ 4
× 21
÷ 2
× 2
17
Multiple Choice
Are these images scale copies?
Yes
No
I don't have enough information to say if they are scaled copies
18
Cookie A is on the left and Cookie B is on the right
19
Cookie A is on the left and Cookie B is on the right
20
Multiple Choice
From Denver to Chicago = 3 in. If the scale is 1 in = 300 miles, find the actual distance.
De Denver a Chicago 3 adentro. Si la escala es de 1 en 300 millas, busque la distancia real.
300 miles
1000 miles
900 miles
600 miles
21
Open Ended
What is a scaled image in your own words?
What is one way we can find the scale factor of a new image?
Why do we use scaled factors?
¿Qué es una imagen escalada en sus propias palabras? ¿Cuál es una manera de encontrar el factor escalada de una nueva imagen?
¿Por qué usamos factores escalados?
Scaled Images

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