Page 18 - NUMINO Challenge_C2
P. 18
3 The example below shows a variation of Egyptian multiplication.
37 17 629 50 19 950
37 1 50 1
111 3 150 3
333 9 450 9
999 27 1350 27
629 17 950 19
27 9 1 17 27 9 1 19
999 333 37 629 1,350 450 50 950
Multiply 15 26 using the method above.
4 The example below shows a multiplication method used by Russian
farmers.
13 5 65
13 5
6 10 13 6 2 r1
3 20 623
1 40 3 2 1 r1
1 2 0 r1
65
5 20 40
Multiply 19 25 using the method above.
15Number and Operations
37 17 629 50 19 950
37 1 50 1
111 3 150 3
333 9 450 9
999 27 1350 27
629 17 950 19
27 9 1 17 27 9 1 19
999 333 37 629 1,350 450 50 950
Multiply 15 26 using the method above.
4 The example below shows a multiplication method used by Russian
farmers.
13 5 65
13 5
6 10 13 6 2 r1
3 20 623
1 40 3 2 1 r1
1 2 0 r1
65
5 20 40
Multiply 19 25 using the method above.
15Number and Operations
