Transcription of Multiplying 2 -digit numbers Example - Primary …
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Example: dental hygienist
Multiplying 2 -digit numbers Example - Primary …
Multiplying 2 -digit numbers Example : 27 x 3 Break up the big number to make it easier. 27 = 20 + 7. So, 27 x 3 = (20 x 3 ) + (7 x 3 ) = 60 + 21 = 81 Now use the same method to work these out: 1) 19 x 2 2) 29 x 2 3) 24 x 3 4) 18 x 3 5) 17 x 5 6) 31 x 2 7) 13 x 4 8) 14 x 5 9) 26 x 2 10) 23 x 3 11) 39 x 2 12) 15 x 5 13) 48 x 2 14) 16 x 3 15) 36 x 2 16) 35 x 3 17) 22 x 5 18) 25 x 4
Multiplying 2 -digit numbers Example: 27 x 3 Break up the big number to make it easier. 27 = 20 + 7. So, 27 x 3 = (20 x 3 ) + (7 x 3 ) = 60 + 21 = 81
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