Practice the questions of McGraw Hill Math Grade 8 Answer Key PDF Lesson 1.2 Problem Solving to secure good marks & knowledge in the exams.
McGraw-Hill Math Grade 8 Answer Key Lesson 1.1 Adding and Subtracting Whole Numbers
Solve
Question 1.
Christine spent 24 minutes on Monday painting for her art project. She painted for 88 minutes on Tuesday, 45 minutes on Wednesday, and 55 minutes on Friday. How many minutes, in total, did she spend working on her art project?
Answer:
212 minutes
Explanation:
Christine spent 24 minutes on Monday painting for her art project.
She painted for 88 minutes on Tuesday, 45 minutes on Wednesday,
and 55 minutes on Friday.
Total minutes she spend working on her art project
Question 2.
Carl scored 114,564 points on the first level of his computer game. He scored 113,098 on the second level, and 125,888 on the third level. How many points, in total, did he score on all three levels?
Answer:
353550 points
Explanation:
Carl scored 114,564 points on the first level of his computer game.
He scored 113,098 on the second level, and 125,888 on the third level.
Total points she score on all three levels,
Question 3.
Jane has 175 stamps in her stamp collection, Stella has 133 stamps in her collection, and their cousin Penny has 212 stamps in hers. If Jane and Stella combine their stamp collections, how many more stamps will they have than Penny?
Answer:
96 stamps
Explanation:
Jane has 175 stamps in her stamp collection,
Stella has 133 stamps in her collection, and their cousin Penny has 212 stamps in hers.
If Jane and Stella combine their stamp collections,
Number of more stamps will they have than Penny,
Question 4.
The student council helped organize a jump rope competition for the school. During the competition, Team A jumped rope 1,339 times in 20 minutes. Team B jumped rope 1,448 times in 22 minutes, and Team C jumped rope 1,552 times in 23 minutes. What is the total number of times that the students jumped rope?
Answer:
4339 times
Explanation:
Team A jumped rope 1,339 times in 20 minutes.
Team B jumped rope 1,448 times in 22 minutes,
Team C jumped rope 1,552 times in 23 minutes.
Total number of times that the students jumped rope,
Question 5.
Larry spent Saturday afternoon reading his book. If he started the day on page 256, and stopped on page 539, how many pages did he read on Saturday?
Answer:
283 pages
Explanation:
Larry started the day on page 256, and stopped on page 539,
Number of pages did he read on Saturday
Question 6.
The average baby rhinoceros weighs 143 pounds at birth. Fully grown, the average weight of a rhinoceros is 3,950 pounds. How much weight will the average rhinoceros gain in its lifetime?
Answer:
3807
Explanation:
The average baby rhinoceros weighs 143 pounds at birth.
The average weight of fully grown rhinoceros is 3,950 pounds.
Total average weight gain by rhinoceros in its lifetime,
