Multiply and Divide Integer Word Problems

Multiplying & Dividing Integer Word Problems

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Key Vocabulary

-Words like "increased", "more", "raised", "up", "gained" and "deposit" tells you that you probably have to add or multiply integers.

-However, words like "down", "lowered", "decreased", "less", and "withdraw" implies that you must divide or subtract.

Multiple Choice

When multiplying integers with DIFFERENT SIGNS, the answer will be...

• Positive

• Negative

• zero

• a fraction

Multiple Choice

3. When multiplying or dividing integers with the SAME SIGNS, we:

• add

• subtract, using the sign of the larger number

• know the answer is positive

• know the answer is negative

Fill in the Blanks

Rohan was walking down a rocky path. For 4 minutes, the elevation dropped at the same rate. Altogether it dropped 8 feet. The change in elevation dropped

feet per minute.

Fill in the Blanks

Aparna's monthly Netflix subscription costs $10. If she charges it to her credit card each month for 5 months without making any payments, her debt will be

.

Multiple Choice

A drought can cause the level of the local water supply to drop by a few inches each week. Suppose the level of the water supply drops 2 inches each week. How much will it change in 4 weeks?

• -16 inches

• -8 inches

• -2 inches

Multiple Choice

At 7:00PM the temperature was 40 degrees F. If the temperature dropped steadily at a rate of 6 degrees per hour, what was the temperature at 11:00 PM?

• 46 degrees

• -22 degrees

• -16 degrees

• 16 degrees

Multiple Choice

A football team lost 5 yards on 4 consecutive plays. What is the total change in yards from where the team started?

• 9 yards

• 20 yards

• -20 yards

• -1 yards

Multiple Choice

9. As a cold front passed through Lodi, the temperature changed steadily over 6 hours. Altogether it changed -18 degrees. What was the change in temperature each hour for the 6 hours?

• -18 ÷ 6 = -3 degrees

• 18 ÷ 6 = 3 degrees

Multiple Choice

Jose is selling peanuts at the carnival. The original bag he purchased weighs 8 pounds. If each bag he plans on selling will weigh 2 pounds, how many full 2lb bags can he sell?

• 4 bags

• 16 bags

• 6 bags

• 2 bags

Fill in the Blanks

10. The football team lost 8 yards on every play for 5 plays. The integer

shows the total number of yards the team has lost.

Fill in the Blanks

A mountaineer climbed up a cliff 50 feet at a time. He did this 5 times in one day. The overall change in his elevation is

.

Fill in the Blanks

12. Flora made 3 withdrawals of $75 each from her bank account. The overall change in her bank account was

.