Exploring the Addition of Rational Numbers

What is the first step in adding fractions?

• Find the least common denominator

• Add the denominators

• Multiply the fractions

• Subtract the numerators

When adding integers with the same sign, what should you do?

• Multiply the integers

• Divide the integers

• Add and use the same sign

• Subtract and use the sign of the larger number

What is the result of adding -8 and -11?

• -19

• 19

• -3

• 3

If the signs of the integers are different, what should you do?

• Divide the integers

• Multiply the integers

• Subtract and use the sign of the larger number

• Add and use the sign of the larger number

What is the sum of 4.5 and 6.3?

• 11.8

• 9.8

• 10.8

• 8.8

When adding decimals, what is the first step?

• Multiply the decimals

• Subtract the smaller number

• Line up the decimals

• Add the whole numbers first

What is the sum of -3.7 and -6.5?

• -10.2

• 9.2

• 10.2

• -9.2

What is an improper fraction?

• A fraction where the numerator is greater than the denominator

• A fraction where the numerator is smaller than the denominator

• A fraction where the numerator and denominator are equal

• A fraction that cannot be simplified

What is the sum of 3/4 and 7/4?

• 10/4

• 5/4

• 7/4

• 1/4

What is the first step when adding fractions with unlike denominators?

• Find a common denominator

• Add the numerators

• Multiply the fractions

• Subtract the smaller fraction