Estrategias para Multiplicar

2x3

27

24

●●●●●●●●● + ●●●●●●●●● + ●●●●●●●●● + ●●●●●●●●●

8 + 8 + 8

9x3

▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ + ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ + ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄

▲▲▲▲ + ▲▲▲▲ + ▲▲▲▲+ ▲▲▲▲+ ▲▲▲▲

6x5

20

30

5 + 5 + 5 + 5 + 5 + 5

6

3+3+3+3+3+3+3+3+3

36

✿✿✿ + ✿✿✿

3x8

9+9+9+9

4 + 4 + 4 + 4 + 4

★★★+★★★+★★★+★★★+★★★+★★★+★★★+★★★+★★★

4x9

3 + 3

♫♫♫♫♫ + ♫♫♫♫♫ + ♫♫♫♫♫ + ♫♫♫♫♫ + ♫♫♫♫♫ + ♫♫♫♫♫

5x4