Adding and Subtracting Rational Numbers Explained

What is the main focus of this week's math learning?

• Learning new concepts

• Combining previously learned concepts

• Focusing on geometry

• Practicing multiplication

What should students do if they make a mistake while practicing?

• Skip the problem

• Check the provided keys and work to find the mistake

• Ask a friend for the answer

• Ignore it

In the first example problem, what is the result of 17.5 - 23.75?

• -6.25

• 6.25

• 6.75

• -6.75

When dealing with negative numbers in rational number problems, what should you remember?

• Ignore the negative sign

• Use the same rules as with integers

• Treat them as positive numbers

• Convert them to fractions

What must you do when working with a combination of fractions and decimals in a problem?

• Convert all numbers to decimals

• Leave them as they are

• Convert all numbers to fractions

• Convert all numbers to the same form

In the complex problem, what is the first step when combining positive numbers?

• Convert them to decimals

• Add the fractions directly

• Subtract the smaller number from the larger one

• Find a common denominator

What should you do if you cannot subtract a smaller fraction from a larger one?

• Add the fractions instead

• Borrow from the whole number

• Convert it to a decimal

• Ignore the fraction

What is the final answer for the complex problem involving 6 2/5, -1 4/10, and 3 7/10?

• 9 1/10

• 8 7/10

• 8 1/10

• 9 7/10

What is one of the key points in the checklist for solving rational number problems?

• Use a calculator for all problems

• Always convert to decimals

• Ignore negative signs

• Combine like signs first

What should you do if your answer involves a negative number?

• Recalculate the problem

• Convert it to a positive number

• Ensure the negative sign is included in the answer

• Ignore the negative sign