Mathematics
Grade-1
Easy
Question
Choose the equation the model shows?
- 80 - 40 = 40
- 80 - 30 = 50
- 80 - 20 = 60
- 80 -10 = 70
The correct answer is: 80 - 30 = 50
The model shows 3 tens are crossed out and 5 tens are left.
So 8 tens – 3 tens = 5 tens
Hence 80 – 30 = 50
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