Workbook Detail
Fact Family Mixed Within 20 Fill Blanks — Set 8
Exercise 1
- OperationPair
- add-sub
- Triple
- 17
- 8
- 25
- Mode
- fill_blanks
- Equations
- {"display":"17 + 8 = __","blank":25,"blankPosition":4,"originalParts":[17,"+",8,"=",25]}
- {"display":"8 + 17 = __","blank":25,"blankPosition":4,"originalParts":[8,"+",17,"=",25]}
- {"display":"25 - __ = 8","blank":17,"blankPosition":2,"originalParts":[25,"-",17,"=",8]}
- {"display":"__ - 8 = 17","blank":25,"blankPosition":0,"originalParts":[25,"-",8,"=",17]}
Exercise 2
- OperationPair
- add-sub
- Triple
- 5
- 6
- 11
- Mode
- fill_blanks
- Equations
- {"display":"5 + 6 = __","blank":11,"blankPosition":4,"originalParts":[5,"+",6,"=",11]}
- {"display":"6 + __ = 11","blank":5,"blankPosition":2,"originalParts":[6,"+",5,"=",11]}
- {"display":"__ - 5 = 6","blank":11,"blankPosition":0,"originalParts":[11,"-",5,"=",6]}
- {"display":"11 - __ = 5","blank":6,"blankPosition":2,"originalParts":[11,"-",6,"=",5]}
Exercise 3
- OperationPair
- add-sub
- Triple
- 7
- 20
- 27
- Mode
- fill_blanks
- Equations
- {"display":"7 + __ = 27","blank":20,"blankPosition":2,"originalParts":[7,"+",20,"=",27]}
- {"display":"20 + 7 = __","blank":27,"blankPosition":4,"originalParts":[20,"+",7,"=",27]}
- {"display":"27 - __ = 20","blank":7,"blankPosition":2,"originalParts":[27,"-",7,"=",20]}
- {"display":"__ - 20 = 7","blank":27,"blankPosition":0,"originalParts":[27,"-",20,"=",7]}
Exercise 4
- OperationPair
- add-sub
- Triple
- 10
- 6
- 16
- Mode
- fill_blanks
- Equations
- {"display":"__ + 6 = 16","blank":10,"blankPosition":0,"originalParts":[10,"+",6,"=",16]}
- {"display":"__ + 10 = 16","blank":6,"blankPosition":0,"originalParts":[6,"+",10,"=",16]}
- {"display":"16 - __ = 6","blank":10,"blankPosition":2,"originalParts":[16,"-",10,"=",6]}
- {"display":"__ - 6 = 10","blank":16,"blankPosition":0,"originalParts":[16,"-",6,"=",10]}
Exercise 5
- OperationPair
- add-sub
- Triple
- 14
- 10
- 24
- Mode
- fill_blanks
- Equations
- {"display":"__ + 10 = 24","blank":14,"blankPosition":0,"originalParts":[14,"+",10,"=",24]}
- {"display":"10 + __ = 24","blank":14,"blankPosition":2,"originalParts":[10,"+",14,"=",24]}
- {"display":"24 - __ = 10","blank":14,"blankPosition":2,"originalParts":[24,"-",14,"=",10]}
- {"display":"24 - 10 = __","blank":14,"blankPosition":4,"originalParts":[24,"-",10,"=",14]}
Exercise 6
- OperationPair
- add-sub
- Triple
- 4
- 13
- 17
- Mode
- fill_blanks
- Equations
- {"display":"__ + 13 = 17","blank":4,"blankPosition":0,"originalParts":[4,"+",13,"=",17]}
- {"display":"__ + 4 = 17","blank":13,"blankPosition":0,"originalParts":[13,"+",4,"=",17]}
- {"display":"__ - 4 = 13","blank":17,"blankPosition":0,"originalParts":[17,"-",4,"=",13]}
- {"display":"17 - __ = 4","blank":13,"blankPosition":2,"originalParts":[17,"-",13,"=",4]}
Teaching Notes
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Frequently Asked Questions
How do I use this Fact Family Mixed 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.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.