Subtract a 2-digit number from a 2-digit number - crossing 10 - subtract 1s and 10s
TEACHING PPTSubtract a 2-digit-number from a 2-digit number crossing 10 subtract 1s and 10s
TASKSubtract a 2-digit-number from a 2-digit number crossing 10 subtract 1s and 10s
ANSWERSSubtract a 2-digit-number from a 2-digit number crossing 10 subtract 1s and 10s
Unfortunately not the ones with chocolate chips.
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