Subtraction Within 100

Learning tasks

Definitions
1) Subtracting Number Within 20	Ex 1 Ex 2 Ex 3 Ex 4 Ex 5 Ex 6 Ex 7 Ex 8
2) Subtracting Multiple Numbers	Ex 9 Ex 10 Ex 11 Ex 12 Ex 13 Ex 14 Ex 15
Subtracting Ones Then Adding Tens
3) Subtracting to 100 Without Regrouping in Table	Ex 16 Ex 17 Ex 18 Ex 19 Ex 20
4) Subtracting to 100 Without Regrouping	Ex 21 Ex 22 Ex 23 Ex 24 Ex 25 Ex 26
5) Subtracting to 100 With Regrouping in Table	Ex 27 Ex 28 Ex 29 Ex 30 Ex 31
6) Subtracting to 100 With Regrouping	Ex 32 Ex 33 Ex 34 Ex 35
Subtraction Using Columns
7) Subtracting Using Columns to 100 Without Regrouping	Ex 36 Ex 37 Ex 38 Ex 39 Ex 40
8) Subtracting Using Columns to 100 With Regrouping	Ex 41 Ex 42 Ex 43 Ex 44 Ex 45
9) Solving Real-World Problems	Ex 46 Ex 47 Ex 48 Ex 49

Lesson Summary
Text book

Exercises Correction
Definitions
    1)  Subtracting Number Within 20 Ex 1 Ex 2 Ex 3 Ex 4 Ex 5 Ex 6 Ex 7 Ex 8
    2)  Subtracting Multiple Numbers Ex 9 Ex 10 Ex 11 Ex 12 Ex 13 Ex 14 Ex 15
Subtracting Ones Then Adding Tens
    3)  Subtracting to 100 Without Regrouping in Table Ex 16 Ex 17 Ex 18 Ex 19 Ex 20
    4)  Subtracting to 100 Without Regrouping Ex 21 Ex 22 Ex 23 Ex 24 Ex 25 Ex 26
    5)  Subtracting to 100 With Regrouping in Table Ex 27 Ex 28 Ex 29 Ex 30 Ex 31
    6)  Subtracting to 100 With Regrouping Ex 32 Ex 33 Ex 34 Ex 35
Subtraction Using Columns
    7)  Subtracting Using Columns to 100 Without Regrouping Ex 36 Ex 37 Ex 38 Ex 39 Ex 40
    8)  Subtracting Using Columns to 100 With Regrouping Ex 41 Ex 42 Ex 43 Ex 44 Ex 45
    9)  Solving Real-World Problems Ex 46 Ex 47 Ex 48 Ex 49