To find the total number of meals served, we can first estimate the total by rounding:
- 64 lunches rounded to the nearest hundred is 100
- 273 dinners rounded to the nearest hundred is 300
Adding these estimated values:
100 + 300 = 400
Now, let's add the actual numbers:
-
We list the numbers to add together:
273 + 64 ------
-
We start adding from the rightmost column:
- Units: 3 + 4 = 7
- Tens: 7 + 6 = 13 (write down 3 and carry over 1)
- Hundreds: 2 + 0 + 1 (the carried over 1) = 3
-
Putting it together, we have:
273 + 64 ------ 337
So, the total number of meals served altogether is 337.
Therefore:
- The fill in the blank answers are:
- 100 + 300 = 400
- The total meals served is 337.