Solving Real-World Problems with Integer Division

This lesson covers using integer division to solve word problems, emphasizing the importance of identifying clue words to determine the sign of integers. It provides strategies for solving word problems and includes examples involving video game points, movie expenses, late fees, and exam penalties. The lesson concludes with an explanation of integers as a subset of rational numbers.

Which of the following is a clue word indicating a negative integer?

• Earned

• Increased

• Gained

• Spent

What is the first step in solving a word problem?

• Look for a pattern

• Draw a diagram

• Read the problem carefully

• Write an equation

In the first level of a video game, how many times did Sam's character fall if he lost 12 points and each fall deducts 2 points?

• 4 times

• 6 times

• 3 times

• 5 times

In which level did Sam's character fall more if he lost 12 points in the first level and 25 points in the second level?

• First level

• Second level

• Both levels equally

• Cannot be determined

How many times did Jim go to the movie theater if his savings changed by -84 dollars and each movie cost him -12 dollars?

• 8 times

• 7 times

• 6 times

• 5 times

If a tenant was fined 75 dollars for 3 late rent payments, how much was each late fee?

• 20 dollars

• 25 dollars

• 35 dollars

• 30 dollars

How many points was Tala penalized for each wrong answer if she lost 15 points for 3 wrong answers?

• 3 points

• 4 points

• 5 points

• 6 points

What is the quotient of -75 divided by 3?

• 15

• -15

• 25

• -25

Which of the following is true about integers?

• Integers are only positive numbers

• Integers are a subset of whole numbers

• Integers cannot be negative

• Integers are a subset of rational numbers

What happens if the divisor in a division problem is zero?

• The division is infinite

• The quotient is zero

• The quotient is one

• The division is undefined