Addition?
50 + 50 + 10
110
60 - 10 =
50
98 + 499 =
597
how many ones?
784
99-10=
89
34 x 2
68
1100 + 900 =
2000
87 - 25
62
345 + 134 =
479
How many tens in 405
0
100-25=
75
126 x 5
630
5 + 5 + 5 +5
20
562-100
462
155 + 245 = ?
400
What place value is the 2 in?
45.20
tenths
350-45=
305
89 x 23
2,047
865 + 10
875
649-349
349
10 + ___ = 241
231
The place value of 8
41.008
thousandths
50.01 - 1.10
48.91
12.2 x 8
97.6
1048 + 200 =
1248
125.60 - 88.2
37.4
__ + 63 = 100
37
place value of 7
671.09
tens
123.2 - 25.6
97.6
621.5