Number System
How would 8/4 be classified?
A. Rational
B. Integer
C. Both
C. Both
(8/4 = 2)
What number is bigger -1.9 or -2.6
-1.9
what is 1/5 as a decimal?
0.2
1 divided by 5
-9 , -10 , 2 , 5 , -2.4, 0
5,2,0,-2.4,-9,-10
Convert 3/4 into a decimal.
0.75
What is a integer?
Whole numbers plus their opposites
I deposited $30 in my account this morning
30
Which rational number is bigger 0.9 or 9/100?
0.9
Order these from least to greatest:
0.66, -.9, 3, 6.9, 0.33
-.9, 0.33, 0.66, 3, 6.9
Korey runs every 3rd day and swims every 4th day. If he runs and swims today, how many days will it be before Korey runs and swims again on the same day?
in 12 days
Use multiples:
3, 6, 9, 12, 15
4, 8, 12, 16
LCM=12
Where would you classify -4.5
Rational
On the integer number line what two numbers would -6.8 fall between?
-6 & -7
How do you know if a number is rational or not?
If it has a fraction or decimal it is a rational number
On a number line what will come first -.09 or -.1?
-.09
Convert 6/25 into a decimal
0.24
How would -1/2 be classified?
A. Rational
B. Integer
C. Both
A. Rational
How far apart are -9 and 1?
10 spaces
What rational number is bigger; 10/3 or 15/7
10/3
Put these numbers in order from greatest to least:
17/20, 9/10, 0.75, .65
9/10, 17/20, 0.75, .65
Ms. Franco has 64 pencils and 48 erasers. She wants to put an equal number of pencils and erasers into boxes for her students. What is the GREATEST number of pencils or erasers Ms. Franco can put in each box?
16
Use factors
64: (1*64) (2*32) (4*16) (8*8)
48: (1*48) (2*24) (3*16) (4*12) (6*8)
GCF=16
What is a rational number?
A number that can be written as a fraction.
The number of integers in between -4 and 4 are:
7
Are all rational numbers integers?
No, all integers are rational numbers!
Which of these rational numbers is the biggest?
4/5 or 8%
4/5
What fraction is equivalent to this decimal? 0.45
9/20 or 45/100