Mathematics
Grade-2
Easy
Question
_______________ doubles plus 1 fact can be used to solve 5 + 6 = 11.
- 6+6+1
- 5+5+1
- 4+4+1
- 5+6+1
Hint:
Double plus 1 , It is used when we have two consecutive number, to make it easy we break one addends and make double with other addend and the plus 1.
The correct answer is: 4+4+1
Here we have to find the double plus 1 to solve the 5 + 6 = 11.
Firstly, we have given equation, 5 + 6 = 11
Lets break addend 6 into 5 + 1
So we can write,
5+5+1 = 11
Here 5 + 5 is double and the plus 1 , double make the addition easy.
There fore the double plus 1 fact used to solve 5 + 6 = 11 is 5+5+1.
The correct answer is 5+5+1 .
5+5+1 doubles plus 1 fact can be used to solve 5+6=11
In this question , we have to find the double plus 1 . Double plus 1 is only used in consecutive number like 9 + 8 which solution is 17 but by double plus 1 it will be 8 + 8 = 16 it will be double addition then 16 + 1 = 17 . So it make the addition easy.
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