inverse Calculation

inverse Calculation

2nd Grade

10 Qs

quiz-placeholder

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inverse Calculation

inverse Calculation

Assessment

Quiz

Mathematics

2nd Grade

Practice Problem

Easy

Created by

Risma Sri Sartika Sirait

Used 16+ times

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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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