expert Set 1 Form Exercise

Exercise 1

OperationPair
add-sub
Triple
  • 9
  • 9
  • 18
Mode
write_all
Equations
  • {"text":"9 + 9 = 18","parts":[9,"+",9,"=",18]}
  • {"text":"18 - 9 = 9","parts":[18,"-",9,"=",9]}

Exercise 2

OperationPair
add-sub
Triple
  • 1
  • 9
  • 10
Mode
write_all
Equations
  • {"text":"1 + 9 = 10","parts":[1,"+",9,"=",10]}
  • {"text":"9 + 1 = 10","parts":[9,"+",1,"=",10]}
  • {"text":"10 - 1 = 9","parts":[10,"-",1,"=",9]}
  • {"text":"10 - 9 = 1","parts":[10,"-",9,"=",1]}

Exercise 3

OperationPair
add-sub
Triple
  • 6
  • 3
  • 9
Mode
write_all
Equations
  • {"text":"6 + 3 = 9","parts":[6,"+",3,"=",9]}
  • {"text":"3 + 6 = 9","parts":[3,"+",6,"=",9]}
  • {"text":"9 - 6 = 3","parts":[9,"-",6,"=",3]}
  • {"text":"9 - 3 = 6","parts":[9,"-",3,"=",6]}

Exercise 4

OperationPair
add-sub
Triple
  • 7
  • 10
  • 17
Mode
write_all
Equations
  • {"text":"7 + 10 = 17","parts":[7,"+",10,"=",17]}
  • {"text":"10 + 7 = 17","parts":[10,"+",7,"=",17]}
  • {"text":"17 - 7 = 10","parts":[17,"-",7,"=",10]}
  • {"text":"17 - 10 = 7","parts":[17,"-",10,"=",7]}

Exercise 5

OperationPair
add-sub
Triple
  • 3
  • 5
  • 8
Mode
write_all
Equations
  • {"text":"3 + 5 = 8","parts":[3,"+",5,"=",8]}
  • {"text":"5 + 3 = 8","parts":[5,"+",3,"=",8]}
  • {"text":"8 - 3 = 5","parts":[8,"-",3,"=",5]}
  • {"text":"8 - 5 = 3","parts":[8,"-",5,"=",3]}

Exercise 6

OperationPair
add-sub
Triple
  • 9
  • 3
  • 12
Mode
write_all
Equations
  • {"text":"9 + 3 = 12","parts":[9,"+",3,"=",12]}
  • {"text":"3 + 9 = 12","parts":[3,"+",9,"=",12]}
  • {"text":"12 - 9 = 3","parts":[12,"-",9,"=",3]}
  • {"text":"12 - 3 = 9","parts":[12,"-",3,"=",9]}