medium Set 51 Form Exercise

Write the fact family for 6, 13, 19:

Show answer

Answer: 6 + 13 = 19; 13 + 6 = 19; 19 - 6 = 13; 19 - 13 = 6

SubType
fact-family
Facts
  • 6 + 13 = 19
  • 13 + 6 = 19
  • 19 - 6 = 13
  • 19 - 13 = 6
Difficulty
normal

Write the fact family for 9, 8, 17:

Show answer

Answer: 9 + 8 = 17; 8 + 9 = 17; 17 - 9 = 8; 17 - 8 = 9

SubType
fact-family
Facts
  • 9 + 8 = 17
  • 8 + 9 = 17
  • 17 - 9 = 8
  • 17 - 8 = 9
Difficulty
normal

Write the fact family for 14, 2, 16:

Show answer

Answer: 14 + 2 = 16; 2 + 14 = 16; 16 - 14 = 2; 16 - 2 = 14

SubType
fact-family
Facts
  • 14 + 2 = 16
  • 2 + 14 = 16
  • 16 - 14 = 2
  • 16 - 2 = 14
Difficulty
normal

Write the fact family for 16, 1, 17:

Show answer

Answer: 16 + 1 = 17; 1 + 16 = 17; 17 - 16 = 1; 17 - 1 = 16

SubType
fact-family
Facts
  • 16 + 1 = 17
  • 1 + 16 = 17
  • 17 - 16 = 1
  • 17 - 1 = 16
Difficulty
normal

Write the fact family for 5, 15, 20:

Show answer

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

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

Write the fact family for 12, 7, 19:

Show answer

Answer: 12 + 7 = 19; 7 + 12 = 19; 19 - 12 = 7; 19 - 7 = 12

SubType
fact-family
Facts
  • 12 + 7 = 19
  • 7 + 12 = 19
  • 19 - 12 = 7
  • 19 - 7 = 12
Difficulty
normal