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Wednesday, 30 May 2018
We are learning to subtract tens.
12-9=3 (12-10) 2+1=3
26-9=17 (26-10) 16+1=17
145-9=136 (145-10) 135+1=136
256-29=227 (256-30) 226+1=227
375-19=356 (375-20) 355+1=356
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