Rational Numbers Rules Review

A rational number is a ___________ or a ____________. They are not whole completely whole numbers. (Separate the two types with a comma)

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

What is a mixed number?

• A whole number

• A whole number combined with another whole number

• A whole number with a portion of a number

• A portion of a number

Tags

CCSS.3.NF.A.1

Which part of a mixed number is the rational part?  (ex. $3\ \frac{1}{2}$ ) 

• The big number (3)

• The top number (1)

• The bottom number (2)

• The fraction (1/2)

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2

Which operation does the bar in the of a fraction stand for?

• +

• -

• x

• ÷

Tags

CCSS.5.NF.B.3

Which operations do we cross multiply when combining fractions?

• + and -

• x and ÷

• + and x

• - and ÷

Tags

CCSS.7.NS.A.2

When do we multiply straight across in the top and then in the bottom?

• Multiplying fractions

• Multiplying mixed numbers

• Dividing fractions

• Dividing mixed numbers

Tags

CCSS.5.NF.B.4

CCSS.5.NF.B.6

How do we turn any whole number into a fraction?

• Put it over 0

• Put it over 1

• Divide

• Subtract

Tags

CCSS.5.NF.B.3

What is the reciprocal?

• The "keep" in keep change flip

• The "change" in keep change flip

• The "flip" in keep change flip

• Switching the numerator and denominator in a fraction

Tags

CCSS.7.NS.A.2

When do we use KFC?

• Dividing fractions

• Dividing mixed numbers

• Multiplying fractions

• Multiplying mixed numbers

Tags

CCSS.5.NF.B.3

CCSS.5.NF.B.6

Why do we turn mixed numbers into improper fractions?

Tags

CCSS.5.NF.A.1