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