starter Set 1 Form Exercise

Exercise 1

OperationPair
add-sub
Triple
  • 19
  • 2
  • 21
Mode
write_all
Equations
  • {"text":"19 + 2 = 21","parts":[19,"+",2,"=",21]}
  • {"text":"2 + 19 = 21","parts":[2,"+",19,"=",21]}
  • {"text":"21 - 19 = 2","parts":[21,"-",19,"=",2]}
  • {"text":"21 - 2 = 19","parts":[21,"-",2,"=",19]}

Exercise 2

OperationPair
add-sub
Triple
  • 12
  • 5
  • 17
Mode
write_all
Equations
  • {"text":"12 + 5 = 17","parts":[12,"+",5,"=",17]}
  • {"text":"5 + 12 = 17","parts":[5,"+",12,"=",17]}
  • {"text":"17 - 12 = 5","parts":[17,"-",12,"=",5]}
  • {"text":"17 - 5 = 12","parts":[17,"-",5,"=",12]}

Exercise 3

OperationPair
add-sub
Triple
  • 1
  • 8
  • 9
Mode
write_all
Equations
  • {"text":"1 + 8 = 9","parts":[1,"+",8,"=",9]}
  • {"text":"8 + 1 = 9","parts":[8,"+",1,"=",9]}
  • {"text":"9 - 1 = 8","parts":[9,"-",1,"=",8]}
  • {"text":"9 - 8 = 1","parts":[9,"-",8,"=",1]}

Exercise 4

OperationPair
add-sub
Triple
  • 3
  • 17
  • 20
Mode
write_all
Equations
  • {"text":"3 + 17 = 20","parts":[3,"+",17,"=",20]}
  • {"text":"17 + 3 = 20","parts":[17,"+",3,"=",20]}
  • {"text":"20 - 3 = 17","parts":[20,"-",3,"=",17]}
  • {"text":"20 - 17 = 3","parts":[20,"-",17,"=",3]}

Exercise 5

OperationPair
add-sub
Triple
  • 11
  • 14
  • 25
Mode
write_all
Equations
  • {"text":"11 + 14 = 25","parts":[11,"+",14,"=",25]}
  • {"text":"14 + 11 = 25","parts":[14,"+",11,"=",25]}
  • {"text":"25 - 11 = 14","parts":[25,"-",11,"=",14]}
  • {"text":"25 - 14 = 11","parts":[25,"-",14,"=",11]}

Exercise 6

OperationPair
add-sub
Triple
  • 13
  • 20
  • 33
Mode
write_all
Equations
  • {"text":"13 + 20 = 33","parts":[13,"+",20,"=",33]}
  • {"text":"20 + 13 = 33","parts":[20,"+",13,"=",33]}
  • {"text":"33 - 13 = 20","parts":[33,"-",13,"=",20]}
  • {"text":"33 - 20 = 13","parts":[33,"-",20,"=",13]}