medium Set 98 Form Exercise

Write the fact family for 3, 9, 12:

Show answer

Answer: 3 + 9 = 12; 9 + 3 = 12; 12 - 3 = 9; 12 - 9 = 3

SubType
fact-family
Facts
  • 3 + 9 = 12
  • 9 + 3 = 12
  • 12 - 3 = 9
  • 12 - 9 = 3
Difficulty
normal

Write the fact family for 15, 5, 20:

Show answer

Answer: 15 + 5 = 20; 5 + 15 = 20; 20 - 15 = 5; 20 - 5 = 15

SubType
fact-family
Facts
  • 15 + 5 = 20
  • 5 + 15 = 20
  • 20 - 15 = 5
  • 20 - 5 = 15
Difficulty
normal

Write the fact family for 13, 3, 16:

Show answer

Answer: 13 + 3 = 16; 3 + 13 = 16; 16 - 13 = 3; 16 - 3 = 13

SubType
fact-family
Facts
  • 13 + 3 = 16
  • 3 + 13 = 16
  • 16 - 13 = 3
  • 16 - 3 = 13
Difficulty
normal

Write the fact family for 12, 6, 18:

Show answer

Answer: 12 + 6 = 18; 6 + 12 = 18; 18 - 12 = 6; 18 - 6 = 12

SubType
fact-family
Facts
  • 12 + 6 = 18
  • 6 + 12 = 18
  • 18 - 12 = 6
  • 18 - 6 = 12
Difficulty
normal

Write the fact family for 17, 2, 19:

Show answer

Answer: 17 + 2 = 19; 2 + 17 = 19; 19 - 17 = 2; 19 - 2 = 17

SubType
fact-family
Facts
  • 17 + 2 = 19
  • 2 + 17 = 19
  • 19 - 17 = 2
  • 19 - 2 = 17
Difficulty
normal

Write the fact family for 15, 3, 18:

Show answer

Answer: 15 + 3 = 18; 3 + 15 = 18; 18 - 15 = 3; 18 - 3 = 15

SubType
fact-family
Facts
  • 15 + 3 = 18
  • 3 + 15 = 18
  • 18 - 15 = 3
  • 18 - 3 = 15
Difficulty
normal