Integers
What is the rule for adding integers with the same sign?
Keep the sign and then add the integrs
What is the rule for subtracting integers with the same sign?
Keep the first integer, change the subtraction sign to addition and then change the last integer to its opposite. Then follow the addition rules.
What is the rule for multiplying numbers with the same sign?
When you multiply two integers with the same signs, the result is always positive.
What is the rule for dividing numbers with the same sign?
When you divide two integers with the same sign, the result is always positive.
What is the rule for adding integers with different signs?
take the sign of the highest integer, then subtract high and low integers
What is the rule for subtracting integers with different signs?
Keep the first integer, change the subtraction sign to addition and then change the last integer to its opposite. Then follow the addition rules.
What is the rule for multiplying numbers with different signs?
When you multiply two integers with the different signs, the result is always negative.
What is the rule for dividing numbers with different signs?
When you divide two integers with different signs, the result is always negative.
A football team loses 5 yards on one play and then loses 8 yards on the next play. How many yards did they lose on the two plays?
-13 yards
The temperature in Alaska is -15 degrees. That night, it dropped 8 degrees. What was the temperature?
-23 degrees
Annie drive 25 miles each way between home and work. How many miles does she drive in 5 days?
250
The stock market dropped by 75 points over 5 days. How many points did it drop daily?
15 points
Michael had $150. He loaned $50 to a friend, spent $25, and got paid $100 from work. How much money does he have now?
$175
Rob worked out for 45 minutes and burned 500 calories. After the gym, he stopped at the pizzeria and at 2 slices of pizza. Each slice was 400 calories. Did he gain or lose calories.
Rob gained 300 calories.
The temperature was -8 degrees at 12:00 am and dropped 3 degrees and hour. What was the temperature at 3:00 am?
-17 degrees
The Nets lost their last 4 games by a total of 36 points. What was the average number of points they lost each game by?
9 points
A submarine descends 1,500 feet beneath the surface of the water. Then, it rises 525 feet and goes down another 350 feet. Where are they currently located?
-1,325 feet (or 1,325 feet below sea level)
Jennifer had a -$152 in her checking about. She deposited a check for $200. What was her balance?
$48
Apple stock rose $50 a day each day for 10 days. How much did the stock increase?
$500
Nicole donated $12,500 to charity in the last 5 years. How much did she donate each year?
$2,500