Division Notes

Division Day 1

·      Multiplication is putting together equal groups.

·      Division is sharing an amount into equal groups.

·      Multiplication and division are inverse operations.  They reverse each other.

·      Multiplication/Division Fact Family:

7x8 = 56

8x7 = 56

56 ÷ 7 = 8

56 ÷ 8 = 7

EQ:  How can we use the multiplication facts we know to solve division problems?

Question:  49 ÷ 7 = ?

Think:  7 x what = 49 ??? 

7 x 7 = 49.  So, 49 ÷ 7 = 7.

32 ÷ 8 = ?

Related fact:                 Answer:

8 x 4 = 32                      4

24 ÷ 3 = ?

Related fact:                 Answer:

3 x 8 = 24                      8

72 ÷ 8 = ?

Related fact:                 Answer:

8 x 9 = 72                      9

50 ÷ 5 = ?

Related fact:                 Answer:

5 x 10 = 50                    10

Vocabulary:

Dividend:The number being divided or shared apart *(The biggest number!)

Divisor:  The number of groups we are sharing the dividend into

*(how many groups we are splitting the big number up into)

Quotient:  the answer to a division problem

*(how many things are going to be shared into each group)

-Label each in the problems below:

56 ÷ 8 = 7          

  7

8 ) 56