Respuesta :

Answer:

1- Do 12 times 5 and then 12 times 10. add the sums together

2-Do 15 times 2 and then 15 times 10. Add the sums together

3-You could split 12 in half to get two 6s. Do 15 times 6 and multiply the product by 2 to get your answer

Step-by-step explanation:

Answer:

Brainleist!

Step-by-step explanation:

1) solve it in your head

2) solve it on paper like this:

  12

  15

x___

answer

3) break it up, 6 x 15 + 6 x 15