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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 2 - Mathematics
1.42 Adding and Subtracting 9 Mentally

Method:
  1. Read out the equations given.
  2. 9 can be written as 10-1.
Example: 43-9
We can write this as 43-10+1
Answer : 34.

Example: 53+9
We can write this as 53+10-1
Answer : 62

Directions: Find the missing number. Also write atleast 5 examples of your own.
Q 1: 28 - 9 = ? (Hint: 28-10+1)
18
17
15
19

 Q 2: 88 + 9 = ? (Hint: 88+10-1)
96
97
99
98

Q 3: 38 + 9 = ? (Hint: 38+10-1)
48
46
47
49

 Q 4: 71 + 9 = ? (Hint: 71+10-1)
79
80
81
82

Q 5: 54 + 9 = ? (Hint: 54+10-1)
62
65
64
63

 Q 6: 47 - 9 = ? (Hint: 47-10+1)
37
38
39
36

Question 7: This question is available to subscribers only!

 Question 8: This question is available to subscribers only!


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