WALT understanding the meaning of digits in three digits whole numbers.
300
800
70
50
30
4
9
= 339
854
374
339- 300+30+9
742-700+40+2
999-900+90+9
508-500+00+8
444-400+40+4
630-600+30+0
H T O
5 9 7= 97
3 6 4= 360
2 1 8= 208
2 9 5= 005
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