Rational Numbers Unit Test Review

What rule do we use when ADDING rational numbers? SELECT ALL THAT APPLY :)

• Same sign, add & keep. Different signs, subtract
• Keep, add, opposite.
• Do the reciprocal
• Same sign = positive

What is the opposite of 21?

• 21
• -21

Tags

CCSS.6.NS.C.6A

|-34| = ___________

• -34
• 34

Tags

CCSS.6.NS.C.7C

|18| = ________

• 18
• -18

Tags

CCSS.6.NS.C.7C

• 1/12
• 1
• 2/35
• 23/25

Tags

CCSS.7.NS.A.1C

36 + (-47) =

• -11
• 11
• 83
• -83

Tags

CCSS.7.NS.A.1C

6 - (-7)

• -1
• -13
• 1
• 13

Tags

CCSS.7.NS.A.1C

Mrs. Baltazar drove 39.6 miles. She drove 2.2 miles each day. How many days did she drive 2.2 miles?

• 41.8 days
• 18 days
• 87.12 days
• 37.4 days

Tags

CCSS.7.EE.B.3

20 - 5 x 2

• 30
• 10
• 50

Tags

CCSS.6.EE.A.2C

-3/8  x (-5/6)  =

• 5/16
• 5/8
• 1 & 5/48
• 1 & 5/24

Tags

CCSS.7.NS.A.2A