hard Set 30 Form Exercise

Write the fact family for 1, 6, 7:

Show answer

Answer: 1 + 6 = 7; 6 + 1 = 7; 7 - 1 = 6; 7 - 6 = 1

SubType
fact-family
Facts
  • 1 + 6 = 7
  • 6 + 1 = 7
  • 7 - 1 = 6
  • 7 - 6 = 1
Difficulty
hard

Write the fact family for 5, 4, 20:

Show answer

Answer: 5 × 4 = 20; 4 × 5 = 20; 20 ÷ 5 = 4; 20 ÷ 4 = 5

SubType
fact-family
Facts
  • 5 × 4 = 20
  • 4 × 5 = 20
  • 20 ÷ 5 = 4
  • 20 ÷ 4 = 5
Difficulty
hard

Write the fact family for 11, 5, 16:

Show answer

Answer: 11 + 5 = 16; 5 + 11 = 16; 16 - 11 = 5; 16 - 5 = 11

SubType
fact-family
Facts
  • 11 + 5 = 16
  • 5 + 11 = 16
  • 16 - 11 = 5
  • 16 - 5 = 11
Difficulty
hard

Write the fact family for 16, 2, 18:

Show answer

Answer: 16 + 2 = 18; 2 + 16 = 18; 18 - 16 = 2; 18 - 2 = 16

SubType
fact-family
Facts
  • 16 + 2 = 18
  • 2 + 16 = 18
  • 18 - 16 = 2
  • 18 - 2 = 16
Difficulty
hard

Write the fact family for 1, 12, 13:

Show answer

Answer: 1 + 12 = 13; 12 + 1 = 13; 13 - 1 = 12; 13 - 12 = 1

SubType
fact-family
Facts
  • 1 + 12 = 13
  • 12 + 1 = 13
  • 13 - 1 = 12
  • 13 - 12 = 1
Difficulty
hard

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
hard