Chapter 2 Operations of Rational Numbers

How do you change fractions into decimals? $\frac{-5}{7}$  

• Add -5 + 7.

• Subtract -5 - 7.
  

• Multiply -5 x 7.
  

• Divide -5 / 7.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

How do you change a mixed number into a decimal?   $3\frac{1}{4}$  

• Divide 3 / 4.
  

• Divide 13 / 4.

• Multiply.

• Subtract

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

How do you change a decimal to a fraction?  $-0.14$  

• -1/4

• -14

• -14/100

• -14/1000

Tags

CCSS.3.NF.A.3C

How do you order and compare rational numbers?

• Add them.

• Subtract them.

• Change them to variables.

• Change them to decimals and compare place values.

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

How do you add rational fractions? $-\frac{2}{7}\ +\ 4\ \frac{1}{2}$  

• Change Mixed numbers into improper fractions.

• Get common denominators and equivalent fractions.

• Follow Adding Rules across the top and keep the same denominator.

• All of the above.

Tags

CCSS.7.NS.A.1C

How do you add rational decimal numbers? $0.14\ +\ \left(-6.18\right)$  

• Line up decimals with the greater absolute value on top.

• Get common denominators.

• Keep - Change - Opposite

• Be rational.

Tags

CCSS.7.NS.A.1C

How do you subtract rational numbers?  $\left(-7.18\right)\ -\ \left(-8.25\right)$  

• Multiply the values.

• Divide the values.

• Keep - Change - Opposite

• Make mixed numbers.

Tags

CCSS.7.NS.A.1D

How do you find distance between numbers?

• Subtract and take the absolute value.

• Multiply.

• Divide

• Make mixed numbers.

Tags

CCSS.7.NS.A.1C

Rational numbers include ...

• Integers

• Fractions

• Decimals

• All of the above.

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.7

When solving problems with rational numbers, ALWAYS ...

• use decimals.

• use fractions.

• add.

• ATTACH the CORRECT SIGN to your answer!

Tags

CCSS.7.NS.A.1D