Classifying/Ordering Rat. Numbers w/ No. Line
What is the smallest classification of 60? (whole, integer, or rational)
Whole
What is the decimal equivalent to? Round your answer to the nearest hundredths place.
0.14
Roxie and her 2 friends go out to dinner. The tab is $36.78. How much will each person pay?
Each person paid $12.26.
The Houston Rockets lost 25% of their games last season. What is the equivalent fraction and decimal for this percentage?
Decimal= 0.25
Fraction= 25/100 (double points: SIMPLIFIED TO 1/4)
To list rational number in least to greatest order. (Ascending OR Descending)
Ascending
Correctly, classify the following numbers.
3.4 -2 3 -1.2
3.4= rational
-2= integer, rational
3= whole, integer, rational
-1.2= rational
What expression represent 7/21?
7÷ 21
What is the value of 15/4 ÷ 1/4?
15/1 or 15.
of the students at East Middle School bring their lunch. What decimal is represented by the fraction ?
Decimal equivalent= 0.60
Any number that can be written as a fraction.
(whole, integer, rational)
Rational Number
Elliott was given these integer cards to put in order from GREATEST to LEAST.
Create a number line to order the cards. Order these in order, greatest to least.
Greatest to least
+2, +1, -3, -4, -5
Brooke needs to order the number cards in descending order (greatest to least).
.6, -2/3, -7/10, 1/2
What is the correct order?
.6, 1/2, -2/3, -7/10
The Claughton cheerleaders had 3/4 of pizza left over after a football game. Their coach ate 1/2 of the leftover pizza after the game. How much pizza did their coach eat? (X or / fraction?)
Their coach at 3/8 of pizza.
What is the percentage represented by the shaded model.
6/10 = 60%
A number's distance away from zero.
Absolute Value
The coldest recorded temperature in Anchorage, Alaska was -20°. Other cities in Alaska have recorded temperatures of -47°, 12°, -14° and -49°. Which temperature is located closest to -20°?
-14°
Below are the average brain weights of several animals.
Goldfish- 2.5mg
Hedgehog- 15/3 mg
Alligator 2 2/5 mg
Green Lizard 7/4.
List these brain weights in order from LIGHTEST to HEAVIEST.
Green lizard, alligator, goldfish, hedgehog
A baby weighed 7 lb at birth. At the end of 8 months, the baby weighed times its birth weight. How many pounds did the baby weigh at the end of 8 months?
17.5 lb
Claughton's football team selected 10 boys from 40 boys who tried out for the team. What is the decimal equivalent to the fraction of boys selected from the group of boys who tried out for the team?
10 divided by 40 = .25
Whole numbers and their opposites fall in this category. (whole, integer, rational)
Integers
Which of the following percentages could be represented by point C on the number line below?
A)25%
B)33%
C)50%
D)66%
B) 33%
Order these numbers from least to greatest.
Mrs. Peterson purchased $44.60 worth of ground beef for a cookout. The ground beef is sold at $22.30 per pound. How many pounds did Mrs. Peterson buy?
2.0 lb
At a skating rink, 12 out of 18 skaters could skate backwards. What is SIMPLIFIED fraction of skaters that could skate backwards?
The 3 major subsets of classifying numbers and a description of each subset.
Rational (any number that can be written as a fraction)
Integers (whole numbers and their opposites)
Whole Numbers (0, 1,2, 3, 4...)