STAAR 8th Grade Math Review Day 9

Hotspot

1. Based on the scatterplot, what is the best prediction of the number of hours an adult would need to exercise to burn 600 calories?

Select ONE correct answer on the graph.

Multiple Choice

Based on the scatterplot, what is the best prediction for the

heart rate of someone who practiced the breathing exercise for 8 minutes?

• about 80

• about 75

• about 90

• about 65

Multiple Choice

Based on the scatterplot, which is the best prediction of the height in centimeters of a student with a weight of 64 kilograms?

• 150 cm
• 165 cm
• 160 cm

• 156 cm

Multiple Choice

1.Based on the scatterplot, what is the best prediction

of the size of a computer monitor that costs $275?

• 24 to 26 inches
• 28 to 30 inches
• 31 to 33 inches

• 35 to 37 inches

Multiple Choice

2.Based on the scatterplot, what is the best prediction

of the cost of a bill if you stayed at the restaurant for

90 minutes?

• $35-45

• $30-40

• $85-95

• $50-60

Multiple Choice

3.Based on the scatterplot, what is the best prediction of the number

of points scored by a gamer who spends 40 minutes playing the

game?

• 900-1000

• 500-600

• 600-700

• 800-900

Multiple Select

4.Based on this scatterplot, which values could represent a

reasonable prediction of the number of gigabytes that

would be available if the computer had 4 programs

installed?

Select TWO correct answers.

• 408

• 449

• 436

• 484

Multiple Choice

Based on the scatterplot, what is the best prediction

for the weight in pounds of a 6-year-old?

• 45 pounds
• 70 pounds
• 50 pounds

• 60 pounds

Multiple Choice

6.Based on the scatterplot, what is the best prediction

of the number of times a student would need to go to

tutoring if he wanted to make a 90 in the class?

• about 7 times

• about 18 times

• about 9 times

• about 16 times

Multiple Choice

Based on the scatterplot, what is the best prediction of the

percentage of the house left to build after 7 months?

• 20%
• 15%

• 30%

• 5%

Multiple Choice

In a week he works 46 hours, he will spend about _______ on his hobbies.

As his time spent at work increases, his time spent on hobbies _______.

• 0 hours, decreases

• 2 hours, increases

• 0 hours, remains constant

• 4 hours, decreases