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Elan Coil [88]
3 years ago
6

Use mental math to find us some draw or describe the strategy you used 52+19 = 71

Mathematics
1 answer:
Rina8888 [55]3 years ago
7 0
1. Set up long addition.
   
  5 2
+1 9
______

2. Calculate 2+ 9, which is 11.
Since 11 is two-digit, we carry the first digit 1 to
the next column.
  1
  5 2
+1 9 
_____
      1

3. Calculate 5+1, which is 6. Now add the 
carry digit of 1, which is 7.
   1
   5 2
+ 1 9
______
    7 1

4. Therefore, 52 + 19 = 71.

71

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