hard Set 5 Form Exercise

Exercise 1

OperationPair
add-sub
Triple
  • 18
  • 1
  • 19
Mode
fill_blanks
Equations
  • {"display":"18 + 1 = __","blank":19,"blankPosition":4,"originalParts":[18,"+",1,"=",19]}
  • {"display":"1 + 18 = __","blank":19,"blankPosition":4,"originalParts":[1,"+",18,"=",19]}
  • {"display":"19 - __ = 1","blank":18,"blankPosition":2,"originalParts":[19,"-",18,"=",1]}
  • {"display":"19 - 1 = __","blank":18,"blankPosition":4,"originalParts":[19,"-",1,"=",18]}

Exercise 2

OperationPair
add-sub
Triple
  • 9
  • 11
  • 20
Mode
fill_blanks
Equations
  • {"display":"__ + 11 = 20","blank":9,"blankPosition":0,"originalParts":[9,"+",11,"=",20]}
  • {"display":"11 + 9 = __","blank":20,"blankPosition":4,"originalParts":[11,"+",9,"=",20]}
  • {"display":"20 - __ = 11","blank":9,"blankPosition":2,"originalParts":[20,"-",9,"=",11]}
  • {"display":"20 - 11 = __","blank":9,"blankPosition":4,"originalParts":[20,"-",11,"=",9]}

Exercise 3

OperationPair
add-sub
Triple
  • 16
  • 11
  • 27
Mode
fill_blanks
Equations
  • {"display":"16 + __ = 27","blank":11,"blankPosition":2,"originalParts":[16,"+",11,"=",27]}
  • {"display":"__ + 16 = 27","blank":11,"blankPosition":0,"originalParts":[11,"+",16,"=",27]}
  • {"display":"27 - 16 = __","blank":11,"blankPosition":4,"originalParts":[27,"-",16,"=",11]}
  • {"display":"27 - 11 = __","blank":16,"blankPosition":4,"originalParts":[27,"-",11,"=",16]}

Exercise 4

OperationPair
add-sub
Triple
  • 19
  • 1
  • 20
Mode
fill_blanks
Equations
  • {"display":"19 + __ = 20","blank":1,"blankPosition":2,"originalParts":[19,"+",1,"=",20]}
  • {"display":"1 + __ = 20","blank":19,"blankPosition":2,"originalParts":[1,"+",19,"=",20]}
  • {"display":"20 - 19 = __","blank":1,"blankPosition":4,"originalParts":[20,"-",19,"=",1]}
  • {"display":"20 - __ = 19","blank":1,"blankPosition":2,"originalParts":[20,"-",1,"=",19]}

Exercise 5

OperationPair
add-sub
Triple
  • 10
  • 20
  • 30
Mode
fill_blanks
Equations
  • {"display":"10 + __ = 30","blank":20,"blankPosition":2,"originalParts":[10,"+",20,"=",30]}
  • {"display":"__ + 10 = 30","blank":20,"blankPosition":0,"originalParts":[20,"+",10,"=",30]}
  • {"display":"30 - __ = 20","blank":10,"blankPosition":2,"originalParts":[30,"-",10,"=",20]}
  • {"display":"__ - 20 = 10","blank":30,"blankPosition":0,"originalParts":[30,"-",20,"=",10]}

Exercise 6

OperationPair
add-sub
Triple
  • 10
  • 4
  • 14
Mode
fill_blanks
Equations
  • {"display":"__ + 4 = 14","blank":10,"blankPosition":0,"originalParts":[10,"+",4,"=",14]}
  • {"display":"__ + 10 = 14","blank":4,"blankPosition":0,"originalParts":[4,"+",10,"=",14]}
  • {"display":"14 - __ = 4","blank":10,"blankPosition":2,"originalParts":[14,"-",10,"=",4]}
  • {"display":"__ - 4 = 10","blank":14,"blankPosition":0,"originalParts":[14,"-",4,"=",10]}