Mathematics
Grade-2
Easy
Question
If 9 + 9 = 18 then 9 + 10 = ___.
- 17
- 18
- 19
- 20
Hint:
Using the first expression and finding the answer by adding second expression
The correct answer is: 19
Use doubles fact to find addition.
If 9 + 9 = 18 then 9 + 10 = 19.
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