hard Set 9 Form Exercise

Exercise 1

OperationPair
add-sub
Triple
  • 10
  • 15
  • 25
Mode
fill_blanks
Equations
  • {"display":"10 + __ = 25","blank":15,"blankPosition":2,"originalParts":[10,"+",15,"=",25]}
  • {"display":"15 + __ = 25","blank":10,"blankPosition":2,"originalParts":[15,"+",10,"=",25]}
  • {"display":"25 - __ = 15","blank":10,"blankPosition":2,"originalParts":[25,"-",10,"=",15]}
  • {"display":"__ - 15 = 10","blank":25,"blankPosition":0,"originalParts":[25,"-",15,"=",10]}

Exercise 2

OperationPair
add-sub
Triple
  • 8
  • 7
  • 15
Mode
fill_blanks
Equations
  • {"display":"8 + 7 = __","blank":15,"blankPosition":4,"originalParts":[8,"+",7,"=",15]}
  • {"display":"__ + 8 = 15","blank":7,"blankPosition":0,"originalParts":[7,"+",8,"=",15]}
  • {"display":"15 - 8 = __","blank":7,"blankPosition":4,"originalParts":[15,"-",8,"=",7]}
  • {"display":"15 - __ = 8","blank":7,"blankPosition":2,"originalParts":[15,"-",7,"=",8]}

Exercise 3

OperationPair
add-sub
Triple
  • 1
  • 18
  • 19
Mode
fill_blanks
Equations
  • {"display":"__ + 18 = 19","blank":1,"blankPosition":0,"originalParts":[1,"+",18,"=",19]}
  • {"display":"18 + 1 = __","blank":19,"blankPosition":4,"originalParts":[18,"+",1,"=",19]}
  • {"display":"19 - 1 = __","blank":18,"blankPosition":4,"originalParts":[19,"-",1,"=",18]}
  • {"display":"19 - 18 = __","blank":1,"blankPosition":4,"originalParts":[19,"-",18,"=",1]}

Exercise 4

OperationPair
add-sub
Triple
  • 15
  • 2
  • 17
Mode
fill_blanks
Equations
  • {"display":"__ + 2 = 17","blank":15,"blankPosition":0,"originalParts":[15,"+",2,"=",17]}
  • {"display":"2 + 15 = __","blank":17,"blankPosition":4,"originalParts":[2,"+",15,"=",17]}
  • {"display":"17 - __ = 2","blank":15,"blankPosition":2,"originalParts":[17,"-",15,"=",2]}
  • {"display":"17 - 2 = __","blank":15,"blankPosition":4,"originalParts":[17,"-",2,"=",15]}

Exercise 5

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

Exercise 6

OperationPair
add-sub
Triple
  • 18
  • 11
  • 29
Mode
fill_blanks
Equations
  • {"display":"18 + __ = 29","blank":11,"blankPosition":2,"originalParts":[18,"+",11,"=",29]}
  • {"display":"11 + __ = 29","blank":18,"blankPosition":2,"originalParts":[11,"+",18,"=",29]}
  • {"display":"__ - 18 = 11","blank":29,"blankPosition":0,"originalParts":[29,"-",18,"=",11]}
  • {"display":"29 - 11 = __","blank":18,"blankPosition":4,"originalParts":[29,"-",11,"=",18]}