Mastering Addition and Subtraction of Rational Numbers

What types of numbers are considered rational numbers?

• Only whole numbers

• Only fractions

• Fractions, decimals, negatives, and positives

• Only positive numbers

What is the result of -0.4 + 1.3?

• 1.7

• -0.9

• 0.7

• 0.9

What is the result of -1.2 + 0.3?

• -0.9

• -1.5

• 1.5

• 0.9

What is the result of -4.5 - 5.2?

• 9.7

• -1.3

• -9.7

• 1.3

What is the result of 3/8 - 1/16?

• 7/16

• 1/16

• 5/16

• 6/16

What is the result of 4/10 - 1/10?

• 1/10

• 2/10

• 3/10

• 4/10

How do you convert 2 1/2 to an improper fraction?

• 6/2

• 5/2

• 4/2

• 3/2

What is the result of 2 1/2 - 4 1/4?

• -7/4

• 7/4

• 5/4

• -5/4

What is the improper fraction of 1 3/8?

• 11/8

• 10/8

• 9/8

• 12/8

What is the result of 22/16 - 53/16?

• -31/16

• 31/16

• 22/16

• -22/16