medium Set 25 Form Exercise

Write the fact family for 13, 7, 20:

Show answer

Answer: 13 + 7 = 20; 7 + 13 = 20; 20 - 13 = 7; 20 - 7 = 13

SubType
fact-family
Facts
  • 13 + 7 = 20
  • 7 + 13 = 20
  • 20 - 13 = 7
  • 20 - 7 = 13
Difficulty
normal

Write the fact family for 13, 6, 19:

Show answer

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

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

Write the fact family for 3, 16, 19:

Show answer

Answer: 3 + 16 = 19; 16 + 3 = 19; 19 - 3 = 16; 19 - 16 = 3

SubType
fact-family
Facts
  • 3 + 16 = 19
  • 16 + 3 = 19
  • 19 - 3 = 16
  • 19 - 16 = 3
Difficulty
normal

Write the fact family for 16, 4, 20:

Show answer

Answer: 16 + 4 = 20; 4 + 16 = 20; 20 - 16 = 4; 20 - 4 = 16

SubType
fact-family
Facts
  • 16 + 4 = 20
  • 4 + 16 = 20
  • 20 - 16 = 4
  • 20 - 4 = 16
Difficulty
normal

Write the fact family for 10, 8, 18:

Show answer

Answer: 10 + 8 = 18; 8 + 10 = 18; 18 - 10 = 8; 18 - 8 = 10

SubType
fact-family
Facts
  • 10 + 8 = 18
  • 8 + 10 = 18
  • 18 - 10 = 8
  • 18 - 8 = 10
Difficulty
normal

Write the fact family for 8, 12, 20:

Show answer

Answer: 8 + 12 = 20; 12 + 8 = 20; 20 - 8 = 12; 20 - 12 = 8

SubType
fact-family
Facts
  • 8 + 12 = 20
  • 12 + 8 = 20
  • 20 - 8 = 12
  • 20 - 12 = 8
Difficulty
normal