NUMBER SENSE
RATIONAL NUMBERS
EXPRESSIONS
SOLVE IT!
RATE & RATIOS
100

45.2 + 5.09 + 83.013 =    

133.303

100

The submarine dove 115 feet below sea level.

What is the rational number?                

 -115

100

What is the expression in standard form?the sum of a number and -3            
       

 n + (-3)

100

3w — 6 = 9 solve for w?

 w= 5

100

Seven of John’s 20 caps are white.

Ratio: ______________ 

Which type of ratio?

part-to-part ratio   or   part-to-whole ratio




ratio is 7 to 20, or 7:20; part to whole ratio

200

16.32 — 3.9 — 8.6 =        

3.82

200

The temperature in the Arctic was 21˚ below zero. 

What is the rational number?                  

What is the opposite?                    

-21, 21

200
    What is the expression in standard form?

the sum of a number and -3

n + (-3)

200

2x + (4 + 4) = 18  x = ?      

x=5

200

Valarie traveled 321 miles in 3 days.

 Find the unit rate (per day) for Valarie’s travels. 


107 miles per day

300

4.63 × 1.05 =                    

4.8615

300

What is the opposite of 0.9?          

-0.9

300

What is the standard form for: Twice a number plus four boys went to the skate park. 

 

     


  2n + 4

300

2n = 8  n= ?      

n=4

300

Using the information in the table, find the number of quarts in 7 gallons. 


28 quarts in 7 gallons

400

22.8 ÷ 8 =                          

2.85

400

The hikers started at 30.5 feet below sea level. By the end of the day, they had hiked to 80.1 feet above sea level. 

Which elevation was the lowest?              

-30.5

400

    Evaluate (9 + 7) ÷ 2(4 – 2) using GEMS

= 4

400

4p — 5 = 31  p=?  

p= 9

400

At the bakery, you can buy 6 cookies for $12. At this rate, what would be the price of 9 cookies? How many cookies could be purchased with $24?


9 cookies cost $18.00

$24.00 will get you 12 cookies

500

LeE bought 12 identical toys. His total was $30.96. 

How much did each toy cost?      

 $2.58

500

In Switzerland, the winter night was 4°F below zero. In Colorado, the winter night was 2°F below zero. 

Which place was warmer that night?                

Colorado at -2F

500

    Evaluate  4 × 3 + 2 (10 + 8) using GEMS

=50

500

(2 + 8) ÷ b = 5    

b=2

500

9 is 5% of what?                    

 180

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