To multiply $13$ by $12$, how much should we add to $13$ multiplied by $10$.

Multiply:

$25\times 3$

Multiply: $43\times 2$

First guess the answer and then calculate:

$77\times 55=$ 

Multiply:

$22\times 3$

Multiply: $24\times 5$

Multiply:

$24\times 2$

Multiply: $26\times 4$

Multiply:

$58\times 2$

Solve:

$37\times 18$

Multiply: $21\times 4$

Multiply: $38\times 2$

Multiply:$30\times 5$

Multiply: $35\times 3$

Find the product of $18\times 15$ by splitting.

Multiply: $32\times 5$

Find the product of $22\times 15$ by splitting.

Multiply: $23\times 9$

Multiply: $48\times 4$