Which strategy can be used to multiply 6 x 198 mentally?
2 answers:
use estimation(i think). round 198 to 200 and multiply that by 6 in your head. 2*6=12 then add the two zeros for tens and ones place. 12+0+0= 1200
hope this helped!
if you know the tables then you can do that easily.
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Please visit: https://youtu.be/_0Ft9HdNg5c
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