Without Regrouping
19+51
70
what is 243 in expanded form?
200+40+3
24+37
61
what is 35 in expanded form?
30+5
58+27
85
what is 428 in expanded form?
400+20+8
54+39
93
what number is this 100+70+9
179
72+27
99
14+18
32
75+23
98
what number is 300+8
308