2-Digit Numbers

Dear 2Ds,

As you know we have been learning how to represent, compare and order numbers with 2 digits. As I promised, here is an online copy of the "Look 4s" anchor chart we have been using. Mr. D

“LOOK 4s”: REPRESENTING, COMPARING AND ORDERING
2-DIGIT NUMBERS THOROUGHLY    (EXAMPLE: 75 )

I can represent, compare and order numbers well using:              

1.Pictures: (ten blocks, groups, rows & columns abacus)

10 BLOCKS                                                                  ABACUS

 

GROUPS   

                                       

                                              

                                                                             

                                                           

                                                                                                        

                                                                                                                                                                                                                                                                                   

                    



ROWS AND COLUMNS                                                                                                                                                                     

                      

                                                                                                

                                                                                  

10 FRAMES

2.  Base Ten Form         

      7 tens      5 ones   

                 70                                5

3. Expanded Form:  
 (Stretch out the number using addition)

70 + 5 = 75        

( or 10+10+10+10+10+10+10 + 5 = 75  )

4. Number Chart

Tens	Ones
7	5

5. Spell it (in letters):

Seventy-five   

6. Standard Form

  7  5