factoring(4to39)teacher lead
DESCRIPTION
ActiveBoard lesson on practicing factoring numbers 4-39 lead by the teacherTRANSCRIPT
36
/ \
4 x 9
/ \ / \
2 x 2 x 3 x 3 = 22 x 32
by Michelle Hansen
What are the
prime factors of 4?
x
What are the
prime factors of 6?
x
What are the
prime factors of 8?
x x
What are the
prime factors of 9?
x
What are the
prime factors of 10?
x
What are the
prime factors of 12?
x x
What are the
prime factors of 14?
x
What are the
prime factors of 15?
x
What are the
prime factors of 16?
x x x
What are the
prime factors of 18?
x x
What are the
prime factors of 20?
x x
What are the
prime factors of 21?
x
What are the
prime factors of 22?
x
What are the
prime factors of 24?
x x x
What are the
prime factors of
25?
x
What are the
prime factors of
26?
x
What are the
prime factors of
27?
x x
What are the
prime factors of 28?
x x
What are the
prime factors of
30?
x x
What are the
prime factors of
32?
x x x x
What are the
prime factors of
33?
x
What are the
prime factors of
34?
x
What are the
prime factors of
35?
x
What are the
prime factors of
36?
x x x
What are the
prime factors of
38?
x
What are the
prime factors of
39?
x
1092/ \
2 546 | / \2 3 x 182| | / \2 3 2 x 91| | | / \2 x 3 x 2 x 7 x 13
22 x 32 x 7 x 1396
/ \8 12
/ \ / \4 x 2 4 x 3/ \ | / \ |
2 x 2 x 2 x 2 x 2 325 x 3
What are the
prime factors of 98?
x x
What are the
prime factors of
99?
x x
What are the
prime factors of
100?
x x x
Wow!