hard Set 1 Form Exercise

Exercise 1

OperationPair
add-sub
Triple
  • 4
  • 12
  • 16
Mode
fill_blanks
Equations
  • {"display":"__ + 12 = 16","blank":4,"blankPosition":0,"originalParts":[4,"+",12,"=",16]}
  • {"display":"12 + 4 = __","blank":16,"blankPosition":4,"originalParts":[12,"+",4,"=",16]}
  • {"display":"16 - __ = 12","blank":4,"blankPosition":2,"originalParts":[16,"-",4,"=",12]}
  • {"display":"__ - 12 = 4","blank":16,"blankPosition":0,"originalParts":[16,"-",12,"=",4]}

Exercise 2

OperationPair
add-sub
Triple
  • 15
  • 9
  • 24
Mode
fill_blanks
Equations
  • {"display":"15 + 9 = __","blank":24,"blankPosition":4,"originalParts":[15,"+",9,"=",24]}
  • {"display":"9 + __ = 24","blank":15,"blankPosition":2,"originalParts":[9,"+",15,"=",24]}
  • {"display":"24 - __ = 9","blank":15,"blankPosition":2,"originalParts":[24,"-",15,"=",9]}
  • {"display":"24 - __ = 15","blank":9,"blankPosition":2,"originalParts":[24,"-",9,"=",15]}

Exercise 3

OperationPair
add-sub
Triple
  • 1
  • 9
  • 10
Mode
fill_blanks
Equations
  • {"display":"1 + __ = 10","blank":9,"blankPosition":2,"originalParts":[1,"+",9,"=",10]}
  • {"display":"9 + 1 = __","blank":10,"blankPosition":4,"originalParts":[9,"+",1,"=",10]}
  • {"display":"10 - 1 = __","blank":9,"blankPosition":4,"originalParts":[10,"-",1,"=",9]}
  • {"display":"__ - 9 = 1","blank":10,"blankPosition":0,"originalParts":[10,"-",9,"=",1]}

Exercise 4

OperationPair
add-sub
Triple
  • 10
  • 18
  • 28
Mode
fill_blanks
Equations
  • {"display":"__ + 18 = 28","blank":10,"blankPosition":0,"originalParts":[10,"+",18,"=",28]}
  • {"display":"__ + 10 = 28","blank":18,"blankPosition":0,"originalParts":[18,"+",10,"=",28]}
  • {"display":"28 - 10 = __","blank":18,"blankPosition":4,"originalParts":[28,"-",10,"=",18]}
  • {"display":"28 - 18 = __","blank":10,"blankPosition":4,"originalParts":[28,"-",18,"=",10]}

Exercise 5

OperationPair
add-sub
Triple
  • 20
  • 5
  • 25
Mode
fill_blanks
Equations
  • {"display":"20 + 5 = __","blank":25,"blankPosition":4,"originalParts":[20,"+",5,"=",25]}
  • {"display":"5 + __ = 25","blank":20,"blankPosition":2,"originalParts":[5,"+",20,"=",25]}
  • {"display":"__ - 20 = 5","blank":25,"blankPosition":0,"originalParts":[25,"-",20,"=",5]}
  • {"display":"25 - 5 = __","blank":20,"blankPosition":4,"originalParts":[25,"-",5,"=",20]}

Exercise 6

OperationPair
add-sub
Triple
  • 11
  • 20
  • 31
Mode
fill_blanks
Equations
  • {"display":"11 + 20 = __","blank":31,"blankPosition":4,"originalParts":[11,"+",20,"=",31]}
  • {"display":"20 + 11 = __","blank":31,"blankPosition":4,"originalParts":[20,"+",11,"=",31]}
  • {"display":"31 - 11 = __","blank":20,"blankPosition":4,"originalParts":[31,"-",11,"=",20]}
  • {"display":"31 - __ = 11","blank":20,"blankPosition":2,"originalParts":[31,"-",20,"=",11]}