Addition
what is ____ + 5= 9
4
900-753=
127
10 + 10 + 10=
30
8 hundreds 3 tens 1 one - 5 hundreds 2 tens=
3 hundreds 1 ten 1 one
50 + 30=
80
458-219=
239
5 tens + 4 ones =
54
1000-500=
500
4 hundreds + 2 tens + 8 ones=
428
6 hundreds - 2 hundreds
4 hundreds