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McGraw-Hill Math Grade 7 Answer Key Lesson 5.3 Adding and Subtracting with Negative Numbers
Exercises Add
Question 1.
17 + (-3) = ____
Answer:
17 + (-3) = 14
Explanation:
Perform addition operation on above given numbers. Add 17 to -3 the sum is equal to 14.
Question 2.
(-15) + 6 = _____
Answer:
(-15) + 6 = -9
Explanation:
Perform addition operation on above two given numbers. Add -15 with 6 the sum is equal to -9.
Question 3.
1 + (-12) = ____
Answer:
1 + (-12) = -11
Explanation:
Perform addition operation on above two given numbers. Add 1 with -12 the sum is equal to -11.
Question 4.
75 + (-36) = ____
Answer:
75 + (-36) = 39
Explanation:
Perform addition operation on above two given numbers. Add 75 with -36 the sum is equal to 39.
Question 5.
110 + (-56) + 14 = ____
Answer:
110 + (-56) + 14 = 68
Explanation:
Perform addition operation on above three given numbers. Add 110 with -56 and 14 the sum is equal to 68.
Question 6.
95 + (-65) + (-1) = _______________
Answer:
95 + (-65) + (-1) = 29
Explanation:
Perform addition operation on above three given numbers. Add 95 with -65 and -1 the sum is equal to 29.
Question 7.
(-20) + (-20) + 7 = ___
Answer:
(-20) + (-20) + 7 = -33
Explanation:
Perform addition operation on above three given numbers. Add -20 with -20 and 7 the sum is equal to -33.
Question 8.
51 + (-33) + 20 = __________________
Answer:
51 + (-33) + 20 = 38
Explanation:
Perform addition operation on above three given numbers. Add 51 with -33 and 20 the sum is equal to 38.
Question 9.
30 + (-22) = __________
Answer:
30 + (-22) = 8
Explanation:
Perform addition operation on above two given numbers. Add 30 to -22 the sum is equal to 8.
Question 10.
18 + 18 + (-18) = ________________
Answer:
18 + 18 + (-18) = 18
Explanation:
Perform addition operation on above three given numbers. Add 18 with 18 and -18 the sum is equal to 18.
Question 11.
(-25) + 14 = ____
Answer:
(-25) + 14 = -11
Explanation:
Perform addition operation on above two given numbers. Add -25 to 14Â the sum is equal to -11.
Question 12.
80 + 13 + 29 + (-100) = ___
Answer:
80 + 13 + 29 + (-100) = 22
Explanation:
Perform addition operation on above four given numbers. Add 80 to 13, 29 and -100 the sum is equal to 22.
Question 13.
57 + (-39) + 10 = __________
Answer:
57 + (-39) + 10 = 28
Explanation:
Perform addition operation on above three given numbers. Add 57 with -39 and 10 the sum is equal to 28.
Question 14.
(-23) + 63 + (-9) = ______
Answer:
(-23) + 63 + (-9) = 31
Explanation:
Perform addition operation on above three given numbers. Add -23 with 63 and -9 the sum is equal to 31.
Question 15.
4 + 2 + (-7) + (-1) = ____________
Answer:
4 + 2 + (-7) + (-1) = -2
Explanation:
Perform addition operation on above four given numbers. Add 4 with 2,-7 and -1 the sum is equal to -2.
Question 16.
1 + (-9) + 9 = ____
Answer:
1 + (-9) + 9 = 1
Explanation:
Perform addition operation on above three given numbers. Add 1 with -9 and 9 the sum is equal to 1.