Scale Factor
Proportions
Word Problems
Integer Review
Similar or Not?
100
A rectangle is 4 in by 8 in. If the scale factor is 2, what are the dimensions of the new shape?
What is 8 in by 16 in.
100
Solve for the missing ratio
What is 12
100
The ratio of boys to girls in the classroom is 3 to 5. If there are 9 boys, how many girls are there?
What is 15 boys.
100
-105 - 48 - -25 = X
What is -128
100
Are the two ratios similar?
1 9
3 = 27
2 18
What is YES
All are x9
200
What is Scale Factor of 4 and Missing side of 20
200
What is 3
200
It takes Mike 15 minutes to read 4 pages of a book. How long does it take him to finish reading 20 pages?
What is 75 minutes (Bonus: 1 Hour and 15 minutes)
200
Jenelle had $15, and wanted to earn more! She worked for two hours and earned $6. She was so excited that she decided to buy a doll for $14. How much money did she have when she finished her purchase?
What is $7
200
Are the shapes below similar? Why or Why not?
What is NO because one is a square and one is a rectangle
300
What is Scale Factor 1/4 and Missing side 6 ft
300
25:70 = 100: X
What is 280
300
A car travels 120 miles in 3 hours (with a constant speed). How long will it take to travel 200 miles?
What is 5 hours
300
The temperature on a winter night was -33 degrees. The temperature rose by 8 degrees when the sun came up. When the sun set again, the temperature dropped by 7 degrees. What is the temperature after the sunset?
What is -32 degrees
300
Are the polygons similar? Why or Why Not?
What is NO because 12 x 2 = 24 but 8 x 2 doesn't equal 18
400
If a 6 ft tall tent casts a 10 ft long shadow then how long is the shadow that a 9 ft tall adult elephant casts?
What is 15 feet long
400
X:24 = 3:8
What is 9
400
13 candy bars weigh 26 ounces. What is the weight of 35 candy bars?
What is 70 Ounces
400
The temperature of a hot iron rod drops by 8°𝐶 every hour. If the temperature of the iron rod is 118°𝐶, find the temperature after 4 hours.
What is 86 degrees celsius
400
Are the two figures similar?
What is NO
500
A particular giraffe is 12 ft tall. A model of it was built with a scale of 1 in : 2 ft. How tall is the model?
What is 6 inches tall
500
6:10 = 15:X
What is 25
500
A machine can produce 6 yards of fabric in 2 minutes. How much fabric can the machine produce in 1 hour?
What is 180 yards
500
The top of a mountain is 1240 feet above sea level. The bottom of its valley is 620 feet below sea level. What is the distance between the top of the mountain and the bottom of the valley?
What is 1,860 feet
500
What is NO