Math Matters  Grade 5
Chapter 1, Lesson 8, problem #1.
In the solutions guide, the answer for the second part of the question is 9 Meets, not 10.
Chapter 2, Lesson 10, problem #3.
Half of 8,778,000,000 pounds is 4,389,000,000 pounds (rather than 438,900,000,000 pounds).
Chapter 3, Lesson 6, Review problem #8.
The answer in the solutions guide should be .3 rather than .03.
Chapter 3, Lesson 10, Review problem #16.
The answer in the solutions guide should be 1128 rather than 1158.66.
Chapter 3, Lesson 16, Review problem #2.
The answer in the solutions guide should be 24,000 km/min rather than 86,400,000.
Chapter 3, MCAT test, #11.
The correct answer is B) 20.
Chapter 4, Lesson 2.
In the discussion of calculating an average, the sentence, "44.4 / 5 = 88.8" should be "44.4 / 5 = 8.88".
Chapter 4, MCAT, #8.
The software indicates 85 degrees as the correct answer. Please accept 90 degrees as well because the graph is somewhat nonspecific.
Chapter 4, MCAT, #13.
The correct answer should be 14.
Chapter 5, Lesson 2, #7.
In the solutions guide, the answer should be 2 2/8 or 2 1/4 inches.
Chapter 5, MidChapter Test, #3.
The beetles are not printed in color. Please label the large beetle brown and the small beetle blue.
Chapter 5, MidChapter Test, #4.
In the solutions guide, the best answer is 3 1/2 (or 3 4/8) because the length of the beetle is slightly longer than 3 1/2 and shorter than 3 5/8, but closer to 3 1/2.
Chapter 5, Lesson 7, Review Exercises, #4.
In the solutions guide, the answer should be 99.9.
Chapter 5, Lesson 8, Review Exercises, #1 and #2.
In the solutions guide, the answer to #1 is 14/8. The answer to #2 is 14.
Chapter 5, Lesson 9, Review Exercises, #5.
In the solutions guide, the answer should be 1877.87.
Chapter 5, Lesson 12, Review, #21.
The answer should be 90.
Chapter 5, Lesson 15, Review, #2.
When you add 2 hours, 15 minutes to 5:35 PM, you get 7:50 PM in Nevada. Since the time in Michigan is 3 hours later than the time in Nevada, the time in Michigan should be 10:50 PM.
Chapter 5, MCAT Chapter Test,#8.
The correct answer is C rather than A.
Chapter 5, MCAT Chapter Test, #10.
The correct answer is 9 which is not one of the choices.
