Solving Integer Word Problems: Day 2 Insights

This lesson focuses on integer word problems and expressions, providing practice with addition and subtraction of negative numbers. It includes solving problems related to totals, decreases, differences, sums, and real-world scenarios like hiker elevation and stock points. The use of calculators is encouraged to verify answers, and students are guided to highlight key information and write expressions for each problem.

What does the term 'total' imply in integer word problems?

• Subtraction

• Multiplication

• Addition

• Division

What is the result of adding -83 and 21?

• 104

• 62

• -104

• -62

What does 'decreased by' indicate in a word problem?

• Multiplication

• Addition

• Subtraction

• Division

Calculate the result of -48 decreased by 12.

• -72

• -60

• -56

• -36

What does the term 'difference' refer to in integer word problems?

• Addition

• Multiplication

• Division

• Subtraction

What is the difference between 80 and -30?

• 80

• 48

• 110

• 50

What does the term 'sum' imply in integer word problems?

• Subtraction

• Multiplication

• Division

• Addition

Calculate the sum of 90 and -34.

• 124

• 56

• 54

• 126

A hiker starts at -400 feet and climbs 4600 feet. What is the final elevation?

• 4200 feet above sea level

• 4000 feet above sea level

• 4600 feet above sea level

• 5000 feet above sea level

If a stock loses 53 points, gains 67 points, and then loses 23 points, what is the net change?

• Gain of 3 points

• Loss of 3 points

• Gain of 9 points

• Loss of 9 points