Home - HomeschoolMath.net      IXL math practice

Division as making groups

This is a complete lesson with teaching and exercises about the division concept as making groups of certain size (a.k.a. measurement division), meant for third grade. Students make groups of certain size using the visuals, and write the division sentence. They also draw objects to match the divisions, solve word problems, and explore patterns in division tables.


There are 12 daisies.  Make groups of 3.

How many groups?   Four groups.

How many 3's are there in 12?   Four.

1. Divide into groups.

a.    15   carrots.
     Make groups of 5.


How many groups? _____

How many 5's are
there in   15  ?    _____

b.  ______ berries.
      Make groups of 4.


How many groups? _____

How many 4's are
there in _____?    ______

c.  ______ apples.
     Make groups of 3.
 


How many groups? ____

How many 3's are
there in _____?    ______

d.  ______ fish.
     Make groups of 2.
  



How many groups? ____

How many 2's are
there in _____?    ______

e.  ______ daisies.
     Make groups of 6.


How many groups? ____

How many 6's are
there in _____?    ______

f.  ______ camels.
    Make groups of 4.
 

   
   
   
       

How many groups?  ____

How many 4's are
there in _____?    ______






DIVIDE... 12 dogs into groups of  four

How many groups?   Three

How many 4's in 12? ______

12 ÷ 4 = 3

”Twelve divided by four is three.”

DIVIDE... 15 elephants into groups of  three.

How many groups?  _______

How many 3's in 15?  _______

15 ÷ 3 = 5

“Fifteen divided by three is five.”

 18 ÷ 6 = ?     Think: If you DIVIDE 18 into groups of six, how many groups are there? How many groups of six are there in 18?  How many sixes are there in 18?

Since 6 + 6 + 6 = 18, there are THREE sixes in 18. So,  18 ÷ 6 = 3

2. Write a division sentence to fit the pictures in exercise 1.

a. _____ ÷ ____ = _____ b. _____ ÷ ____ = _____ c. _____ ÷ ____ = _____
d. _____ ÷ ____ = _____ e. _____ ÷ ____ = _____ f. _____ ÷ ____ = _____

3. Make a division sentence.

a. Divide 10 rams 
into groups of two.
How many groups?

 

_____ ÷ ____ = _____

b. Divide _____ camels
into groups of four.
How many groups?

   
   
      

_____ ÷ ____ = _____

c. Divide _____ apples
into groups of six.
How many groups?

 
   

_____ ÷ ____ = _____

d. Divide _____ books
into groups of three.
How many groups?


_____ ÷ ____ = _____

e. Divide _____ scissors
into groups of five.
How many groups?


_____ ÷ ____ = _____

f. Divide _____ crosses
into groups of three.
How many groups?



_____ ÷ ____ = _____



4. Draw sticks. Divide them into groups to fit the division sentence.

a.  18 ÷ 3 = ______

  

b.  24 ÷ 2 = ______

c.  21 ÷ 3 = ______

  

d.  25 ÷ 5 = ______

e.  15 ÷ 5 = ______

  

f.  24 ÷ 8 = ______

5. Make groups by circling dots and write a division sentence.

a. groups of 4

_____ ÷ 4 = ____

b. groups of 2

_____ ÷ 2 = ____

c. groups of 6

_____ ÷ 6 = ____

d. groups of 3

_____ ÷ 3 = ____

e. groups of 5

 

_____ ÷ 5 = ____

f. groups of 7

_____ ÷ 7 = ____

g. groups of 6

_____ ÷ 6 = ____

h. groups of 10

_____ ÷ 10 = ____



6. Solve the word problems. Write a division or a multiplication for each problem.
    The box is for the × or ÷ symbol.

a. The class has 20 students. You can
    fit five students into a van. How many
    vans are needed?

_______ _______ = _______ 

b. Ken placed 30 marbles in rows of 5.
    How many rows did he get?
 

_______ _______ = _______ 

c. Erica packed hairpins in bags. She
    put 20 pins in each bag and filled four
    bags. How many pins were there?

_______ _______ = _______ 

d. Kelly packaged 28 T-shirts in bags.
    She put four shirts in each bag.
    How many bags did she use?

_______ _______ = _______ 

e. Brian has 16 poster boards. He
    needs four of them to make a big
    poster board. How many big ones
    can he make?

_______ _______ = _______ 

f. Marlene studied three hours each day
    for seven days. How many hours did
    she spend studying in total?

_______ _______ = _______ 

7. Solve. You can draw to help. Can you find a pattern?

a.

         4  ÷  2 = _____

         6  ÷  2 = _____

         8  ÷  2 = _____

       10  ÷  2 = _____

       12  ÷  2 = _____

       14  ÷  2 = _____

       16  ÷  2 = _____

______ ÷ 2 = _____

______ ÷ 2 = _____

b.

      20     ÷  10  = _____

      30     ÷  10  = _____

      40     ÷  10  = _____

      50     ÷  10  = _____

_______ ÷  10  = _____

_______ ÷  10  = _____

_______ ÷  10  = _____

_______ ÷  10  = _____

_______ ÷  10  = _____

c.

       10    ÷  5  = _____

       15    ÷  5  = _____

       20    ÷  5  = _____

       25    ÷  5  = _____

_______ ÷  5  = _____

_______ ÷  5  = _____

_______ ÷  5  = _____

_______ ÷  5  = _____

_______ ÷  5  = _____




This lesson is taken from my book Math Mammoth Division 1.

Math Mammoth Division 1

A self-teaching worktext for 3rd grade that covers division concept, division & multiplication fact families, word problems, division facts, remainder, zero and one in division, and more.Download ($3.70). Also available as a printed copy.

=> Learn more and see the free samples!

See more topical Math Mammoth books



Math Lessons menu

Practice makes perfect. Practice math at IXL.com

Practice makes perfect. Practice math at IXL.com



Free math worksheets and practice - Adapted Mind