Practice the questions of McGraw Hill Math Grade 8 Answer Key PDF Lesson 12.3 Multiplying and Dividing Negative Numbers to secure good marks & knowledge in the exams.
McGraw-Hill Math Grade 8 Answer Key Lesson 12.3 Multiplying and Dividing Negative Numbers
Exercises
MULTIPLY OR DIVIDE
Question 1.
-5 × (-3) = ____________
Answer:
15,
Explanation:
Given to multiply -5 X (-3) so
multiplying -5 X (-3) = 15.
Question 2.
15 × (-10) = _______________
Answer:
-150,
Explanation:
Given to multiply 15 X (-10) so
multiplying 15 X (-10) = -150.
Question 3.
-100 ÷ 12 = _____________
Answer:
-8.333,
Explanation:
Given to multiply -100 ÷ 12, so
dividing -100 ÷ 12 = -8.333.
Question 4.
-25 × -3 = ______________
Answer:
75,
Explanation:
Given to multiply -25 X -3, so
multiplying -25 X -3 = 75.
Question 5.
-15 × 15 = ______________
Answer:
-225,
Explanation:
Given to multiply -15 X 15 so
multiplying -15 X 15 = -225.
Question 6.
-12 × -5 × -5 = _______________
Answer:
-300,
Explanation:
Given to multiply -12 X -5 X -5, so
multiplying -12 X -5 X -5 = -300.
Question 7.
-2 × 14 = _______________
Answer:
-28,
Explanation:
Given to multiply -2 X 14 so
multiplying -2 X 14 = -28.
Question 8.
-11 × 21 = ________________
Answer:
-231,
Explanation:
Given to multiply 11 X 21, so
multiplying 11 X 21 = -231.
Question 9.
-15 × -5 × 3 = _______________
Answer:
225,
Explanation:
Given to multiply -15 X -5 X 3, so
multiplying -15 X -5 X 3 = 225.
Question 10.
-3 × -103 × -2 = ______________
Answer:
-618,
Explanation:
Given to multiply -3 X -103 X -2 so
multiplying -3 X -103 X -2 = -618.
Question 11.
-20 ÷ -20 × 14 = _______________
Answer:
5,600,
Explanation:
Given to divide and multiply
-20 ÷ -20 × 14, so dividing &
multiplying -20 ÷ -20 × 14 = 5,600.
Question 12.
-22 × 11 × -10 = _______________
Answer:
2,420,
Explanation:
Given to multiply -22 X 11 X -10, so
multiplying -22 X 11 X -10 = 2,420.
Question 13.
-8 × -14 = _____________
Answer:
112,
Explanation:
Given to multiply -8 X -14, so
multiplying -8 X -14 = 112.
Question 14.
-132 ÷ 44 = _______________
Answer:
-3,
Explanation:
Given to divide -132 ÷ 44, so
dividing -132 ÷ 44 = 3.
Question 15.
(150 ÷ -30) × -3 = ______________
Answer:
15,
Explanation:
Given to divide and multiply
(150 ÷ -30) × -3, so dividing &
multiplying as (150 ÷ -30) × -3 = 15.
Question 16.
55 ÷ -55 ÷ -12 = _______________
Answer:
12,
Explanation:
Given to divide 55 ÷ -55 ÷ -12, so
55 ÷ -55 ÷ -12 = 12.
Question 17.
(-25 ÷ (-3 × 10)) ÷ -15 = _____________
Answer:
-12.5,
Explanation:
Given to divide, multiply and divide
(-25 ÷ (-3 X 10) ÷ -15, so dividing, multiplying &
dividing as (-25 ÷ (-3 X 10) ÷ -15 = -12.5.
Question 18.
52 × -13 ÷ -4 = _______________
Answer:
169,
Explanation:
Given to multiply and divide
52 X -13 ÷ -4, so multiplying &
dividing as 52 X -13 ÷ -4 = 169.