Adding and Subtracting Rational Numbers

What are rational numbers represented as?

• Whole numbers

• Fractions and decimals that terminate or repeat

• Irrational numbers

• Only fractions

What is the result of adding -0.4 and 1.3?

• 1.7

• 1.9

• 0.9

• 0.7

When adding 0.3 and -1.2, what is the result?

• 1.5

• -0.9

• 0.9

• -1.5

What must be the same when adding or subtracting fractions?

• Signs

• Numerators

• Whole numbers

• Denominators

What is the result of adding -7/8 and -3/8?

• -10/8

• -5/4

• -1 and 1/4

• All of the above

What is the result of adding 6/7 and -3/7?

• -3/7

• 9/7

• 0

• 3/7

What is the result of subtracting -3/8 from -5/8?

• -8/8

• 8/8

• 1

• -1

What is the result of subtracting 2/9 from 5/9?

• 1/3

• -3/9

• 3/9

• -1/3

What is the simplified form of -3/9?

• -1/3

• -1/9

• -3/1

• -3/1

What is the result of adding 2/9 and -5/9?

• -3/9

• 3/9

• -1/3

• 1/3