Multi-Step Word Problems

What does '12 more than a number' represent mathematically?

• n + 12

• 12 - n

• n * 12

• n / 12

How can you check if your solution to a word problem is correct?

• Substitute your answer back into the original equation or context.

• Ignore the problem and move on to the next one.

• Ask a friend if they think your answer is right.

• Change your answer randomly and see if it fits.

How do you set up an equation to compare costs of two fairs?

• 15 + 2.5x = 10 + 3x

• 10 + 2.5x = 15 + 3x

• 15 + 3x = 10 + 2.5x

• 10 + 3x = 15 + 2.5x

What does 'equal value' imply in a word problem?

• It means that two expressions or quantities are the same.

• It means that one quantity is greater than the other.

• It means that the values are different but related.

• It means that the quantities are approximate.

What is the first step in solving a multi-step equation?

• Simplify both sides of the equation if possible.

• Multiply both sides by the same number.

• Add the same value to both sides of the equation.

• Isolate the variable on one side.

What does the inequality m > 41 mean in a real-world context?

• Mary’s points, m, totaled more than 41.

• Mary scored exactly 41 points.

• Mary’s points, m, were less than 41.

• Mary’s points, m, totaled 41 or fewer.

What equation represents the cost of ChipCo's corn chips compared to CrunchyChips?

• 5x + 1 = 4x + 2

• 3x + 2 = 2x + 3

• 6x - 1 = 5x + 4

• 4x + 3 = 5x - 2

If Sam has 3 pencils, how many pencils do Melvin and Zachary have together?

• 21 pencils (Melvin: 6, Zachary: 12, Sam: 3)

• 15 pencils (Melvin: 5, Zachary: 10)

• 18 pencils (Melvin: 8, Zachary: 10)

• 24 pencils (Melvin: 10, Zachary: 14)

What is the significance of understanding inequalities in word problems?

• It helps to express relationships that are not strictly equal.

• It simplifies all mathematical expressions.

• It eliminates the need for variables in equations.

• It ensures that all solutions are unique.

What is the importance of defining variables in word problems?

• It helps to clarify what each quantity represents.

• It makes the problem more complicated.

• It allows for multiple solutions to be valid.

• It eliminates the need for calculations.