Week 34 Math

8+12= GCF(2+3) what is the GCF?

Mathematical Equivalence

ON

What are the factors of 8?

• 1,2,4,8

• 2,4

• it is prime

• 2,4,6,8

What are the factors of 48?

• 1,2,3,4,6,8,12,16,48

• 2,4,5,6,7,8,12,15,17,24

• 1,2,3,4,5,6

• It is prime

What are the factors of 36?

• 1,2,3,4,6,9,12,18,36

• 1,2,3,4,5,6,8

• 2,4,6,8,12,36

• it is prime

What are the factors of 24?

• 1,2,3,4,6,8,12,24

• 1,2,5,6,7,9,13

• 0,1,2,3,4,5,6,7,8

• 1,2,3,4,5,6,24,28,32

What are the factors of 21?

• 1,3,7,21

• 3 and 7

• it is prime

• 3,6,9,12,15,18,21

what are the factors of 15?

• 1,3,5,15

• it is prime

• 3,6,9,12,15

• 1,15,30,45

What is the GCF of 21 and 15?

• 5

• 3

• 7

• 1

If 3 is the GCF of 21 and 15, how would you rewrite the expression 21+15 using the distributive property?

• 5(3+15)

• 3(21+15)

• 3(7+5)

• 7(3+15)

If you factor the expression 32+48 and rewrite it using the distributive property, you get

• 8(4-6)

• 8(4+6)

• 8(2+3)

• 16(4+6)