McGraw Hill Math Grade 6 Lesson 4.1 Answer Key Negative Numbers

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Practice questions available in McGraw Hill Math Grade 6 Answer Key PDF Lesson 4.1 Negative Numbers will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 6 Answer Key Lesson 4.1 Negative Numbers

Exercices
Solve

Question 1.
(-8) + 8 = ____
Answer:
Sum of (-8) + 8, we get the result 0.

Explanation:
(-8) + 8 = – 8 + 8
= 0.

Question 2.
(-134) + 134 = ____
Answer:
Sum of (-134) + 134, we get the result 0.

Explanation:
(-134) + 134 = – 134 + 134
= 0.

Question 3.
(-12) + 13 + 11 + (-13)
Answer:
Sum of (-12) + 13 + 11 + (-13), we get the result -1.

Explanation:
(-12) + 13 + 11 + (-13)
= -12 + 13 + 11 – 13
= -12 + 24 – 13
= 12 – 13
= -1.

Question 4.
100 + (-100) = ____
Answer:
Sum of 100 + (-100), we get the result 0.

Explanation:
100 + (-100) = 100 – 100
= 0.

Question 5.
20 + (-17) = ____
Answer:
Sum of 20 + (-17) , we get the result 3.

Explanation:
20 + (-17) = 20 – 17
= 3.

Question 6.
(-65) + 65 + 61 + (-58) =
Answer:
Sum of (-65) + 65 + 61 + (-58) , we get the result 3.

Explanation:
(-65) + 65 + 61 + (-58)
= – 65 + 65 + 61 – 58
= – 65 + 126 – 58
= 61 – 58
= 3.

Question 7.
\(\frac{1}{2}\) + \(\left(-\frac{1}{2}\right)\) = ____
Answer:
Sum of \(\frac{1}{2}\) + \(\left(-\frac{1}{2}\right)\), we get the result 0.

Explanation:
\(\frac{1}{2}\) + \(\left(-\frac{1}{2}\right)\)
= \(\frac{1}{2}\) – \(\left(\frac{1}{2}\right)\)
= 0.

Question 8.
212 + 200 + (-212) + (-212) = ____
Answer:
Sum of 212 + 200 + (-212) + (-212), we get the result -12.

Explanation:
212 + 200 + (-212) + (-212)
= 212 + 200 – 212 – 212
= 412 – 212 – 212
= 200 – 212
= -12.

Question 9.
31 + (-34) + 0 = ___
Answer:
Sum of 31 + (-34) + 0, we get the result -3..

Explanation:
31 + (-34) + 0
= 31 – 34 + 0
= 31 – 34
= -3.

Question 10.
76 + \(\frac{1}{4}\) + \(\left(-\frac{1}{4}\right)\) + (-76) = ____
Answer:
Sum of 76 + \(\frac{1}{4}\) + \(\left(-\frac{1}{4}\right)\) + (-76), we get the result 0.

Explanation:
76 + \(\frac{1}{4}\) + \(\left(-\frac{1}{4}\right)\) + (-76)
= 76 + \(\frac{1}{4}\) – \(\left(\frac{1}{4}\right)\) – 76
= \(\frac{304+1}{4}\) – \(\left(\frac{1}{4}\right)\) – 76
= \(\frac{305}{4}\) – \(\left(\frac{1}{4}\right)\) – 76
= \(\frac{305- 1}{4}\) – 76
= \(\frac{304}{4}\) – 76
= 76 – 76
= 0.

Question 11.
Is -6 to the left or the right of -6.2 on the number line?
Answer:
-6 lies to the left on the number line because it is a negative integer.

Explanation:
-6 is negative integer.
McGraw-Hill-Math-Grade-6-Answer-Key-Lesson-4.1-Negative-Numbers-Exercises-Solve-11

Question 12.
Is -4.5 greater or less than -4.0?
Answer:
– 4.0 is greater than – 4.5 because its an integer where greater comes first later lesser integer.

Explanation:
– 4.5 is less than – 4.0.

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