To gain basic arithmetic skills needed for everyday problem solving.
Let's say you are at the store buying groceries. You see that your favorite food is on sale, costing $3 each. You have $10 - how many can you buy?
Let's say you are going to visit a distant relative, who lives 400 miles away. You are leaving at 8:00 AM in the morning, and the speed limit on the freeway is 75 miles per hour. What time should you tell your relative to expect you?
Let's say you work at McDonald's. According to the VCMS sheets, you should keep 96 10:1 meat patties cooked and in the heating cabinets for lunch. You have 4 grills available to cook food on, and each grill can cook 8 10:1 meat patties at a time. It takes 60 seconds to cook the meat. Your manager is also upset that the heating cabinets are empty, and is demanding to know how long it will take before the cabinets are full again. How long will it take?
You will notice that even a lowly burger flipper at McDonald's (considered by many to be one of the worst jobs out there) requires basic arithmetic abilities.
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When you add, subtract, or multiply integers, you get integers. When you divide one integer by another one, you may or may not get an integer.
why is it important to know how to multiply
add, subtract, multiply, divide
Integers
You multiply or divide integers just as you do whole numbers, except you must keep track of the signs. To multiply or divide signed integers, always multiply or divide the absolute values and use these rules to determine the sign of the answer.When you multiply two integers with the same signs, the result is always positive. Just multiply the absolute values and make the answer positive.Positive x positive = positiveNegative x negative = positiveWhen you multiply two integers with different signs, the result is always negative. Just multiply the absolute values and make the answer negative.Positive x negative = negativeNegative x positive = negative.