Multiplying and Dividing Integers and Rational Numbers

Front

(-3/5) * (-1.5)

Back

0.9

Front

Is Sam correct in saying 90 ÷ (–9) = 10?

Back

Sam is not correct because a positive divided by a negative is a negative.

Front

Is Chase correct in simplifying –2 × (5 – 3) as –2 × 2 = 4?

Back

Chase is not correct. The factor have different signs so the product must be negative.

Front

Jenny has $2.40 deducted from her monthly allowance every time she forgets to do a chore. If she forgets three times in one month, what will be the change in Jenny’s total allowance?

Back

-$7.20

Front

Equation to represent the average depth of Ana’s dives in relation to the water’s surface.

Back

–230 ÷ 5 = –46

Front

Rashawn and Jessie are playing a game where they lose the same number of points that they would have earned for each incorrect answer. Rashawn answers two 3-point questions incorrectly, and Jessie answers four 2-point questions incorrectly. If neither player has answered a question correctly, who is ahead?

Back

Rashawn is ahead with –6 points.

Front

Can you plot 4/0 on a number line? Inez says yes, Jeremiah says no.

Back

Jeremiah is correct because any number divided by 0 is undefined and cannot be represented on a number line.

Front

An airplane descends at a rate of 2,700 feet per minute. What will be its change in elevation after 3 1/2 minutes?

Back

-9450 ft

Front

Back

Front

(-3/4) ÷ (-8/12)

Back

(3/4) × (12/8)