place value
what is the value of 3 in 131
30
30 + 40
70
what is the value of the tens place in 999
90
90 + 90
1,800
what is the value of 7 in 187
7
70 + 70
1,400
what is the value of 6 in 699
6 hundred
100 + 100
200
what is the value of 5 in 165
5
200 + 200
400