Operation on Integers

In multiplying integers with the same sign, the product should be_________. 

• negative

• positive

• either positive or negative

When a negative number is multiplied by a positive number, what would be the sign of the product?

• negative

• positive

• zero

• cannot be determine

When we divide a negative integer to a positive integer, the answer is _______.

• zero

• positive

• negative

• cannot be determine

________ integers are whole numbers less than zero. These numbers are to the left of zero on the number line.

• positive

• negative

• zero

• undefined

________ integers are whole numbers greater than zero. These numbers are to the right of zero on the number line.

• positive

• negative

• zero

• Undefined

Solve: -23 + (-2) = ?

• -21

• 21

• -25

• 25

Solve: -18 - (-5) = ?

• -13

• 13

• -23

• 23

Solve: -23 + (2) = ?

• -21

• 21

• -25

• 25

Solve: 9-15

• 24

• -6

• 6

• 13

Solve:  $90\div\left(-9\right)=$  

• -10

• 10