Mastering Multiplication of Positive and Negative Integers

What does it mean when two numbers are written next to each other with parentheses around one or both of them?

• They are being divided.

• They are being added.

• They are being multiplied.

• They are being subtracted.

How can multiplication be thought of in terms of addition?

• As repeated multiplication.

• As repeated addition.

• As repeated division.

• As repeated subtraction.

What is the result of multiplying five groups of two?

• 10

• 15

• 5

• 20

How can we model three times negative three on a number line?

• By moving three groups of negative three in the positive direction.

• By moving three groups of negative three in the negative direction.

• By moving three groups of three in the negative direction.

• By moving three groups of three in the positive direction.

What is the result of three times negative three?

• Negative six

• Negative nine

• Positive nine

• Positive six

How can we think of a negative number in multiplication?

• As the same.

• As the opposite.

• As the sum.

• As the product.

What is the result of negative four times two?

• Negative eight

• Positive eight

• Positive four

• Negative four

What is the result of negative two times negative four?

• Positive four

• Negative eight

• Positive eight

• Negative four

What is the result when multiplying two positive numbers or two negative numbers?

• Zero

• Undefined

• A positive product

• A negative product

What is the result when multiplying a positive number by a negative number?

• A positive product

• A negative product

• Zero

• Undefined