Lines and Angles
How would you write a point that is labeled "A"
Point A
1, 2, 4 and 8
What are the first five multiples of 2?
2, 4, 6, 8, 10
How do you multiply two fractions?
Multiply the top part of the fractions and then multiply the bottom part of the fractions.
Add 1/3 + 1/3
2/3
How would you write a line segment that connects Points A and B?
Line Segment AB
What are the factor pairs of 8?
(1,8) and (2,4)
What are the first five multiples of 17?
17, 34, 51, 68, 85
Multiply 1/4 x 2/5
2/20 or 1/10
Add 3/8 + 2/8
5/8
How would you write a line that starts at point A, passes through Point B and continues going?
Ray AB
What is the greatest common factor of 4 and 8?
4.
Factors of 8 -> 1, 2, 4, 8
Factors of 4 -> 1, 2, 4
What is the Least Common Multiple of 2 and 6?
6.
Multiples of 2 -> 2, 4, 6, 8, 10, 12
Multiples of 6 -> 6, 12, 18, 24, 30
Multiply 2/3 x 3/4
6/12 or 1/2
Add 1/5 + 1/10
2/10 + 1/10 = 3/10
How would you write a line that starts elsewhere, passes through both Point A and Point B, and continues going?
Line AB
What is the greatest common factor of 10 and 35?
5.
Factors of 10 -> 1, 2, 5, 10
Factors of 35 - > 1, 5, 7, 35
What is the Least Common Multiple of 3 and 5?
15.
LCMs of 3 -> 3, 6, 9, 12, 15.
LCMs of 5 -> 5, 10, 15, 20, 25
Multiply 15/16 x 2/3
30/48 or 5/8
Add 1/3 + 1/4
3/12 + 4/12 = 7/12
Show me the difference between a line, line segment and ray on your white boards.
Show me a good example.
1 and 3
Factors between 1-9 are -> 1, 3
What is the Least Common Multiple of 4 and 7?
28.
LCMs of 4 -> 4, 8, 12, 16, 20, 24, 28
LCMs of 7 -> 7, 14, 21, 28
Multiply 5/1 x 7/1
35/1 or 35
Add 5/8 + 4/6
Bonus points for the answer as a mixed number with showing your work
15/24 + 16/24 = 31/24
Bonus:
31/24 = 1 7/24