Adding and Subtracting Signed Fractions

TRUE or FALSE: Equivalent fractions can ONLY be made by multiplying and adding.

• True

• False

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

TRUE or FALSE: Whatever you do to the numerator (top#), you MUST do it to the denominator (bottom#).

• True

• False

Tags

CCSS.5.NF.B.5B

What is the LCM of 2 and 6?

• 2

• 6

• 12

• 3

Tags

CCSS.6.NS.B.4

 $Solve\ -\frac{1}{2}\ +\ \frac{2}{6}$ . Watch your signs! Remember N + p = N

(a)  

Tags

CCSS.7.NS.A.1C

What is the LCM of 8 and 12?

• 8

• 24

• 12

• 96

• 4

Tags

CCSS.6.NS.B.4

 $Evaluate\ -\frac{3}{8}\ +\ \left(-\frac{2}{12}\right).\$ Watch your signs! Remember n + n = n. 

(a)  

Tags

CCSS.7.NS.A.1C

What is the LCM of 6 and 9?

• 6

• 18

• 9

• 54

• 3

Tags

CCSS.6.NS.B.4

Find $\frac{1}{6}+\frac{-5}{9}.$  
 Watch your signs! Remember p + N = n. 

(a)  

Tags

CCSS.7.NS.A.1C

What is the LCM of 3 and 7?

• 3

• 21

• 7

• 10

Tags

CCSS.6.NS.B.4

Solve $-\frac{2}{7\ }-\frac{2}{3}.$  Remember subtraction rules for signed numbers: Keep-Change-Change, then follow the addition rules. 

(a)  

Tags

CCSS.7.NS.A.1C