Mathematics
Grade-1
Easy
Question
Which equation the model shows.
- 23 + 22 = 45
- 22 + 22 = 44
- 21 + 23 = 44
- 24 + 22 = 46
The correct answer is: 21 + 23 = 44
The model shows 2 tens 1 one and 2 tens 3 ones.
Add ones 1 one+3 ones = 4ones.
Add tens. 2 tens + 2 tens = 4tens.
4 tens + 4 ones= 44.
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