Unit 5 Rational Numbers Arithmetic Study Guide

A climber starts descending from 533 feet above sea level and keeps going until she reaches 10 feet below sea level.  How many feet did she descend?

• 523 feet
• 543 feet
• 0 feet
• 500 feet

Tags

CCSS.7.NS.A.1C

The temperature on Sunday was 30^o C.  The temperature dropped steadily for the next 7 hours until it reached a low of 9 degrees.  How much did the temperature change per hour? 

• -21^o C

• 21^o C

• -3^o C
• 3^o C

A diver was 40 feet below the surface of the water. A fisherman was casting off a dock right above the diver that was 12 feet above the surface of the water. How far apart are the diver and the fisherman?

• 28 feet
• -28 feet
• 52 feet
• -52 feet

Tags

CCSS.6.NS.C.5

CCSS.6.NS.C.6

CCSS.6.NS.C.7

Mr. Oles has a bank balance of -42 dollars at the start of the month. After he deposits 6 dollars, what is the new balance? 

• -48 dollars
• -36 dollars
• -34 dollars
• 7 dollars

Tags

CCSS.7.NS.A.1C

A tank of water holds 15 gallons. When Jada first sees the tank of water it contains 10 gallons of water, 2 minutes later the tank contains 2 gallons of water. At what rate is the water changing per minute?

• 4
• -4
• 8

• -8

A fish is swimming 7 feet below the water's surface. A turtle is swimming 2 feet below the water's surface. What is the difference in feet where the fish and the turtle is?

• -9 feet
• 14 feet
• 5 feet
• 9 feet

Tags

CCSS.7.NS.A.1C

What is the missing transaction amount for account 2?

• $80

• $944

• -$80

• -$944

Which question is the SAME as
24 + (-6)             ?

• 24 - 6
• 24 + 6
• -24 - 6
• -24 + 6

Which question is the SAME as
-4 - (-2)       ?

• -4 + 2
• -4 - 2
• 4 + 2
• 4 - 2

The temperature on a cold winter day starts out at 10 degrees, but it drops rapidly 24 degrees due to a strong cold front moving in.  What is the current temperature?

• 14
• 34
• -14
• -34