Answer the questions below about Line 1 and Line 2 shown

Question

below.
1+6
6+1
Answer

The expression was rewritten using the
.
Line 1 says blank + blank, which could be represented using
dots as ●+ ●●●●●● for a total of blank dots.

Answer 1

The expression was rewritten using the commutative property.
Line 1 says 1 + 6, which could be represented using dots as ● + ●●●●●● for a total of 7 dots.

Answer 2

The expression was rewritten using the

Answer 3

commutative property of addition.
Line 1 says 1 + 6, which could be represented using dots as ● + ●●●●●● for a total of 7 dots.

Answer 4

Line 2 says blank + blank, which could be represented using dots as ●●●●●●+ ● for a total of blank dots.

Answer 5

Line 2 says 6 + 1, which could be represented using dots as ●●●●●● + ● for a total of 7 dots.