Mathematics
Grade-1
Easy
Question
Count forward by 10s. Write the missing numbers.

- 20, 30, 40
- 70, 80, 90, 100
- 60, 70, 100, 110
- 51, 53, 56, 58
Hint:
Numbers are the symbols used for counting or measuring these are the basics of mathematics. These counting numbers start with one and continues till infinity or endless. Here, we have to find the missing numbers in the above question by using these counting numbers.
The correct answer is: 20, 30, 40
In the question we have to find the numbers count by 10s starting from 10.
Firstly, on counting forward by 10s starting from 10 we get 20.
Similarly, on counting forward by 10s starting from 20 we get 30.
Again, on counting forward by 10s starting from 30 we get 40.
So, the numbers count by 10s starting from 10 are 20, 30 and 40.
Therefore, the correct option is a, i.e., 20, 30 and 40.
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