Vocabulary
What does GCF stand for?
Greatest Common Factor
T. Joey's pizza has 8 slices. He ate 2 of them. What fraction of the pizza did he eat?
2/8
16-3+4=
17
What numbers are neither prime nor composite?
0 and 1
What is 3/12 in simplest form?
1/4
What does LCM stand for?
Least Common Multiple
T. Joey has 15 balls. 3 of them are green. What fraction of the balls are not green?
12/15
(5x3+2-1) -3
13
**DD**
Find the GCF of 6, 9 and 15
3
various answers
For 36:
1x36, 2x18, 3x12, 4x9 and 6x6 are called the ______ ______.
Factor Pairs
**DD**
T. Joey has 18 balls. 3 of them are green. In simplest form what fraction of the balls are not green?
5/6
3+(16/2 +3) =
14
Is 24 prime, composite, or neither?
composite
Write "Two and two-thirds" as an improper fraction.
8/3
**DD**
When fractions are equal they are called:
Equivalent Fractions
T. Joey and two of his friends each bought a coke and hamburger. A coke is 30 baht and a hamburger is 70 baht. How much money did they spend altogether?
300 baht
12 - (a x 3) =b
a=3 b= ?
3
Is 245 a multiple of 5?
yes
Write 23/6 as a mixed number.
3 and 5/6
When a fraction's numerator and denominator only share a factor of 1.
Simplest Form
Jom has 12 games he wants to play. 3 of them are broken and 5 of them are lost. In simplest form, write a fraction of the games that Jom is able to play.
1/3
(e x 8) - 4 =f
e=4 f=?
28
Find the LCM of 24, 8 and 12
24
Put the following fractions in order from greatest to least:
3/9, 8/16, 89/90, 45/3
45/3, 89/90, 8/16, 3/9