In the number 324, the 2 is in the __________ place.
Tens
100
300 + 400 =
700
100
456 + 100 =
556
100
At the beginning of the school year, there were 423 students. During the school year, 10 more students joined. How many students were there in all?
433
100
12 - 8 =
4
200
To join two sets or numbers together and find a total is to _____________.
Add
200
273 + 10 =
283
200
150 + 230 =
380
200
During the first half of the school year, 2nd graders did 326 problems in their workbook. During the second half, they did 162. How many did they do in all?