hard Set 25 Form Exercise

Write the fact family for 9, 1, 10:

Show answer

Answer: 9 + 1 = 10; 1 + 9 = 10; 10 - 9 = 1; 10 - 1 = 9

SubType
fact-family
Facts
  • 9 + 1 = 10
  • 1 + 9 = 10
  • 10 - 9 = 1
  • 10 - 1 = 9
Difficulty
hard

Write the fact family for 4, 5, 9:

Show answer

Answer: 4 + 5 = 9; 5 + 4 = 9; 9 - 4 = 5; 9 - 5 = 4

SubType
fact-family
Facts
  • 4 + 5 = 9
  • 5 + 4 = 9
  • 9 - 4 = 5
  • 9 - 5 = 4
Difficulty
hard

Write the fact family for 1, 8, 9:

Show answer

Answer: 1 + 8 = 9; 8 + 1 = 9; 9 - 1 = 8; 9 - 8 = 1

SubType
fact-family
Facts
  • 1 + 8 = 9
  • 8 + 1 = 9
  • 9 - 1 = 8
  • 9 - 8 = 1
Difficulty
hard

Write the fact family for 9, 3, 27:

Show answer

Answer: 9 × 3 = 27; 3 × 9 = 27; 27 ÷ 9 = 3; 27 ÷ 3 = 9

SubType
fact-family
Facts
  • 9 × 3 = 27
  • 3 × 9 = 27
  • 27 ÷ 9 = 3
  • 27 ÷ 3 = 9
Difficulty
hard

Write the fact family for 8, 10, 80:

Show answer

Answer: 8 × 10 = 80; 10 × 8 = 80; 80 ÷ 8 = 10; 80 ÷ 10 = 8

SubType
fact-family
Facts
  • 8 × 10 = 80
  • 10 × 8 = 80
  • 80 ÷ 8 = 10
  • 80 ÷ 10 = 8
Difficulty
hard