Workbook Detail
Fact Family Add Sub Within 20 Fill Blanks — Set 4
Exercise 1
- OperationPair
- add-sub
- Triple
- 16
- 14
- 30
- Mode
- fill_blanks
- Equations
- {"display":"16 + 14 = __","blank":30,"blankPosition":4,"originalParts":[16,"+",14,"=",30]}
- {"display":"14 + __ = 30","blank":16,"blankPosition":2,"originalParts":[14,"+",16,"=",30]}
- {"display":"30 - 16 = __","blank":14,"blankPosition":4,"originalParts":[30,"-",16,"=",14]}
- {"display":"__ - 14 = 16","blank":30,"blankPosition":0,"originalParts":[30,"-",14,"=",16]}
Exercise 2
- OperationPair
- add-sub
- Triple
- 5
- 2
- 7
- Mode
- fill_blanks
- Equations
- {"display":"__ + 2 = 7","blank":5,"blankPosition":0,"originalParts":[5,"+",2,"=",7]}
- {"display":"2 + 5 = __","blank":7,"blankPosition":4,"originalParts":[2,"+",5,"=",7]}
- {"display":"7 - 5 = __","blank":2,"blankPosition":4,"originalParts":[7,"-",5,"=",2]}
- {"display":"__ - 2 = 5","blank":7,"blankPosition":0,"originalParts":[7,"-",2,"=",5]}
Exercise 3
- OperationPair
- add-sub
- Triple
- 1
- 5
- 6
- Mode
- fill_blanks
- Equations
- {"display":"1 + __ = 6","blank":5,"blankPosition":2,"originalParts":[1,"+",5,"=",6]}
- {"display":"5 + __ = 6","blank":1,"blankPosition":2,"originalParts":[5,"+",1,"=",6]}
- {"display":"__ - 1 = 5","blank":6,"blankPosition":0,"originalParts":[6,"-",1,"=",5]}
- {"display":"6 - 5 = __","blank":1,"blankPosition":4,"originalParts":[6,"-",5,"=",1]}
Exercise 4
- OperationPair
- add-sub
- Triple
- 8
- 5
- 13
- Mode
- fill_blanks
- Equations
- {"display":"__ + 5 = 13","blank":8,"blankPosition":0,"originalParts":[8,"+",5,"=",13]}
- {"display":"__ + 8 = 13","blank":5,"blankPosition":0,"originalParts":[5,"+",8,"=",13]}
- {"display":"13 - 8 = __","blank":5,"blankPosition":4,"originalParts":[13,"-",8,"=",5]}
- {"display":"13 - __ = 8","blank":5,"blankPosition":2,"originalParts":[13,"-",5,"=",8]}
Exercise 5
- OperationPair
- add-sub
- Triple
- 13
- 8
- 21
- Mode
- fill_blanks
- Equations
- {"display":"13 + 8 = __","blank":21,"blankPosition":4,"originalParts":[13,"+",8,"=",21]}
- {"display":"8 + __ = 21","blank":13,"blankPosition":2,"originalParts":[8,"+",13,"=",21]}
- {"display":"__ - 13 = 8","blank":21,"blankPosition":0,"originalParts":[21,"-",13,"=",8]}
- {"display":"21 - __ = 13","blank":8,"blankPosition":2,"originalParts":[21,"-",8,"=",13]}
Exercise 6
- OperationPair
- add-sub
- Triple
- 3
- 19
- 22
- Mode
- fill_blanks
- Equations
- {"display":"__ + 19 = 22","blank":3,"blankPosition":0,"originalParts":[3,"+",19,"=",22]}
- {"display":"__ + 3 = 22","blank":19,"blankPosition":0,"originalParts":[19,"+",3,"=",22]}
- {"display":"__ - 3 = 19","blank":22,"blankPosition":0,"originalParts":[22,"-",3,"=",19]}
- {"display":"22 - 19 = __","blank":3,"blankPosition":4,"originalParts":[22,"-",19,"=",3]}
Teaching Notes
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Frequently Asked Questions
How do I use this Fact Family Add Sub Within 20 Fill Blanks Math Worksheet worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
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