hard Set 7 Form Exercise

Exercise 1

OperationPair
add-sub
Triple
  • 4
  • 16
  • 20
Mode
fill_blanks
Equations
  • {"display":"__ + 16 = 20","blank":4,"blankPosition":0,"originalParts":[4,"+",16,"=",20]}
  • {"display":"16 + __ = 20","blank":4,"blankPosition":2,"originalParts":[16,"+",4,"=",20]}
  • {"display":"20 - __ = 16","blank":4,"blankPosition":2,"originalParts":[20,"-",4,"=",16]}
  • {"display":"20 - 16 = __","blank":4,"blankPosition":4,"originalParts":[20,"-",16,"=",4]}

Exercise 2

OperationPair
add-sub
Triple
  • 13
  • 18
  • 31
Mode
fill_blanks
Equations
  • {"display":"13 + __ = 31","blank":18,"blankPosition":2,"originalParts":[13,"+",18,"=",31]}
  • {"display":"18 + __ = 31","blank":13,"blankPosition":2,"originalParts":[18,"+",13,"=",31]}
  • {"display":"__ - 13 = 18","blank":31,"blankPosition":0,"originalParts":[31,"-",13,"=",18]}
  • {"display":"31 - 18 = __","blank":13,"blankPosition":4,"originalParts":[31,"-",18,"=",13]}

Exercise 3

OperationPair
add-sub
Triple
  • 15
  • 3
  • 18
Mode
fill_blanks
Equations
  • {"display":"15 + 3 = __","blank":18,"blankPosition":4,"originalParts":[15,"+",3,"=",18]}
  • {"display":"__ + 15 = 18","blank":3,"blankPosition":0,"originalParts":[3,"+",15,"=",18]}
  • {"display":"18 - __ = 3","blank":15,"blankPosition":2,"originalParts":[18,"-",15,"=",3]}
  • {"display":"18 - 3 = __","blank":15,"blankPosition":4,"originalParts":[18,"-",3,"=",15]}

Exercise 4

OperationPair
add-sub
Triple
  • 6
  • 19
  • 25
Mode
fill_blanks
Equations
  • {"display":"6 + __ = 25","blank":19,"blankPosition":2,"originalParts":[6,"+",19,"=",25]}
  • {"display":"19 + 6 = __","blank":25,"blankPosition":4,"originalParts":[19,"+",6,"=",25]}
  • {"display":"25 - __ = 19","blank":6,"blankPosition":2,"originalParts":[25,"-",6,"=",19]}
  • {"display":"25 - 19 = __","blank":6,"blankPosition":4,"originalParts":[25,"-",19,"=",6]}

Exercise 5

OperationPair
add-sub
Triple
  • 15
  • 2
  • 17
Mode
fill_blanks
Equations
  • {"display":"15 + __ = 17","blank":2,"blankPosition":2,"originalParts":[15,"+",2,"=",17]}
  • {"display":"2 + __ = 17","blank":15,"blankPosition":2,"originalParts":[2,"+",15,"=",17]}
  • {"display":"17 - __ = 2","blank":15,"blankPosition":2,"originalParts":[17,"-",15,"=",2]}
  • {"display":"__ - 2 = 15","blank":17,"blankPosition":0,"originalParts":[17,"-",2,"=",15]}

Exercise 6

OperationPair
add-sub
Triple
  • 12
  • 6
  • 18
Mode
fill_blanks
Equations
  • {"display":"12 + __ = 18","blank":6,"blankPosition":2,"originalParts":[12,"+",6,"=",18]}
  • {"display":"6 + 12 = __","blank":18,"blankPosition":4,"originalParts":[6,"+",12,"=",18]}
  • {"display":"18 - 12 = __","blank":6,"blankPosition":4,"originalParts":[18,"-",12,"=",6]}
  • {"display":"18 - 6 = __","blank":12,"blankPosition":4,"originalParts":[18,"-",6,"=",12]}