hard Set 51 Form Exercise

Write the fact family for 7, 1, 8:

Show answer

Answer: 7 + 1 = 8; 1 + 7 = 8; 8 - 7 = 1; 8 - 1 = 7

SubType
fact-family
Facts
  • 7 + 1 = 8
  • 1 + 7 = 8
  • 8 - 7 = 1
  • 8 - 1 = 7
Difficulty
hard

Write the fact family for 2, 1, 3:

Show answer

Answer: 2 + 1 = 3; 1 + 2 = 3; 3 - 2 = 1; 3 - 1 = 2

SubType
fact-family
Facts
  • 2 + 1 = 3
  • 1 + 2 = 3
  • 3 - 2 = 1
  • 3 - 1 = 2
Difficulty
hard

Write the fact family for 6, 8, 48:

Show answer

Answer: 6 × 8 = 48; 8 × 6 = 48; 48 ÷ 6 = 8; 48 ÷ 8 = 6

SubType
fact-family
Facts
  • 6 × 8 = 48
  • 8 × 6 = 48
  • 48 ÷ 6 = 8
  • 48 ÷ 8 = 6
Difficulty
hard

Write the fact family for 2, 9, 18:

Show answer

Answer: 2 × 9 = 18; 9 × 2 = 18; 18 ÷ 2 = 9; 18 ÷ 9 = 2

SubType
fact-family
Facts
  • 2 × 9 = 18
  • 9 × 2 = 18
  • 18 ÷ 2 = 9
  • 18 ÷ 9 = 2
Difficulty
hard

Write the fact family for 4, 1, 5:

Show answer

Answer: 4 + 1 = 5; 1 + 4 = 5; 5 - 4 = 1; 5 - 1 = 4

SubType
fact-family
Facts
  • 4 + 1 = 5
  • 1 + 4 = 5
  • 5 - 4 = 1
  • 5 - 1 = 4
Difficulty
hard

Write the fact family for 7, 4, 28:

Show answer

Answer: 7 × 4 = 28; 4 × 7 = 28; 28 ÷ 7 = 4; 28 ÷ 4 = 7

SubType
fact-family
Facts
  • 7 × 4 = 28
  • 4 × 7 = 28
  • 28 ÷ 7 = 4
  • 28 ÷ 4 = 7
Difficulty
hard