Subtraction with regrouping

Background for Teachers

In this lesson, you will need an understanding of what concept the student is confused on. Using the formative and pre-test, pinpoint the errors commonly missed by the student. You will need a clear understanding of demonstrating subtraction using base ten blocks. ( youtube video attached below). Use of common vocabulary such as: difference, take away, subtract, regroup, more, less, expanded form, vertical, and place value. Materials needed: whiteboard with marker, base ten blocks, emedia video, paper, pencil, place value chart (optional), and worksheet with math problems below. 

 

Reteaching subtraction

 

1.56-15=                         2. 47-28=                3. 73-24=

 

4. 65-39=                        5. 143-25=                6. 184-67=

 

7. 192-64=                        8. 227-38=                9. 385-99=

 

10. 216=38=                11. 142-125=        12. 381-292=

 

13. 1,344-196=                14. 1,460-559=                

 

15. 1,210-847=                 16. 2,170-468=

 

 

Place value chart:

 

thousandshundredstensones
    
    

 

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