2.1 Decimals and Fractions: Rational Numbers

Explain the error

• -1.2 isn't an integer.
• -2 isn't a whole number and 3.4 isn't a rational number.
• -2 isn't a whole number and -1.2 isn't an integer.
• The numbers are graphed correctly.

Order from least to greatest: -12, 15, -1, 3, 

• 15, 3, -1, -12
• 15, 3, -12, -1
• -1, -12, 3, 15
• -12, -1, 3, 15

Which is greater:  -3 or 1/6

• They are equal.
• -3
• Depends on if it's hot outside.
• 1/6

When adding fractions, the _______ must be the same.

• denominator

• numerator

• sign

• value

What is the recriprocal of 4/5

• 4/5
• 5/4
• 5/1
• 1/5

• Cannot be simplified