Evaluate: $12\times3$12×3

Evaluate: $3\times\left(-3\right)$3×(−3)

Evaluate: $-4\times\left(-11\right)$−4×(−11)

Evaluate: $6\times12$6×12

Apply and extend previous understandings of multiplication and division.

Understand that a rational number is any number that can be written as a quotient of integers with a non-zero divisor