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Multiplication with tricks for 11

AB
11x111x1=11 Elevens trick: Clone the 1
11x211x2=22 Elevens trick: Clone the 2
11x311x3=33 Elevens trick: Clone the 3
11x411x4=44 Elevens trick: Clone the 4
11x511x5=55 Elevens trick: Clone the 5
11x611x6=66 Elevens trick: Clone the 6
11x711x7=77 Elevens trick: Clone the 7
11x811x8=88 Elevens trick: Clone the 8
11x911x9=99 Elevens trick: Clone the 9
11x1011x10=110 Anything times ten, add a zero to the end
11x1111x11=121 Think: 11x10=110, so just add 11 more: 110+11=121
11x1211x12=132 Think: 11x11=121, so just add 11 more: 121+11=132


Third Grade Teacher
Southern California, CA

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