medium Set 86 Form Exercise

Write the fact family for 10, 5, 15:

Show answer

Answer: 10 + 5 = 15; 5 + 10 = 15; 15 - 10 = 5; 15 - 5 = 10

SubType
fact-family
Facts
  • 10 + 5 = 15
  • 5 + 10 = 15
  • 15 - 10 = 5
  • 15 - 5 = 10
Difficulty
normal

Write the fact family for 8, 4, 12:

Show answer

Answer: 8 + 4 = 12; 4 + 8 = 12; 12 - 8 = 4; 12 - 4 = 8

SubType
fact-family
Facts
  • 8 + 4 = 12
  • 4 + 8 = 12
  • 12 - 8 = 4
  • 12 - 4 = 8
Difficulty
normal

Write the fact family for 5, 10, 15:

Show answer

Answer: 5 + 10 = 15; 10 + 5 = 15; 15 - 5 = 10; 15 - 10 = 5

SubType
fact-family
Facts
  • 5 + 10 = 15
  • 10 + 5 = 15
  • 15 - 5 = 10
  • 15 - 10 = 5
Difficulty
normal

Write the fact family for 10, 1, 11:

Show answer

Answer: 10 + 1 = 11; 1 + 10 = 11; 11 - 10 = 1; 11 - 1 = 10

SubType
fact-family
Facts
  • 10 + 1 = 11
  • 1 + 10 = 11
  • 11 - 10 = 1
  • 11 - 1 = 10
Difficulty
normal

Write the fact family for 4, 16, 20:

Show answer

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

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

Write the fact family for 3, 5, 8:

Show answer

Answer: 3 + 5 = 8; 5 + 3 = 8; 8 - 3 = 5; 8 - 5 = 3

SubType
fact-family
Facts
  • 3 + 5 = 8
  • 5 + 3 = 8
  • 8 - 3 = 5
  • 8 - 5 = 3
Difficulty
normal