inverse Calculation
2nd Grade
•10 Qs
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inverse Calculation
Quiz
•
Mathematics
•
2nd Grade
•
Practice Problem
•
Easy
Risma Sri Sartika Sirait
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct inverse of this calculation?
50 + 20 = 70
50 - 20 = 70
70 - 20 = 40
70 - 50 = 20
70 - 50 = 50
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct inverse of this calculation?
86 + 13 = 99
99 - 13 = 86
99 - 86 = 31
86 - 13 = 99
99 - 13 = 68
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct inverse of this calculation?
45 + 31 = 76
45 - 31 = 67
76 - 31 = 45
76 - 45 = 13
45 - 31 = 76
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct inverse of this calculation?
71 - 51 = 20
71 - 51 = 2
71 - 20 = 15
51 + 20 = 17
51 + 20 = 71
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct inverse of this calculation?
100 - 60 = 40
100 - 60 = 4
100 - 40 = 6
60 + 40 = 100
60 + 40 = 10
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the missing number :
... + 10 = 80
70
90
7
20
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the missing number :
95 - ... = 90
90
50
5
185
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