expert Set 89 Form Exercise

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
expert

Write the fact family for 2, 8, 16:

Show answer

Answer: 2 × 8 = 16; 8 × 2 = 16; 16 ÷ 2 = 8; 16 ÷ 8 = 2

SubType
fact-family
Facts
  • 2 × 8 = 16
  • 8 × 2 = 16
  • 16 ÷ 2 = 8
  • 16 ÷ 8 = 2
Difficulty
expert

Write the fact family for 1, 5, 6:

Show answer

Answer: 1 + 5 = 6; 5 + 1 = 6; 6 - 1 = 5; 6 - 5 = 1

SubType
fact-family
Facts
  • 1 + 5 = 6
  • 5 + 1 = 6
  • 6 - 1 = 5
  • 6 - 5 = 1
Difficulty
expert

Write the fact family for 5, 10, 50:

Show answer

Answer: 5 × 10 = 50; 10 × 5 = 50; 50 ÷ 5 = 10; 50 ÷ 10 = 5

SubType
fact-family
Facts
  • 5 × 10 = 50
  • 10 × 5 = 50
  • 50 ÷ 5 = 10
  • 50 ÷ 10 = 5
Difficulty
expert

Write the fact family for 5, 2, 10:

Show answer

Answer: 5 × 2 = 10; 2 × 5 = 10; 10 ÷ 5 = 2; 10 ÷ 2 = 5

SubType
fact-family
Facts
  • 5 × 2 = 10
  • 2 × 5 = 10
  • 10 ÷ 5 = 2
  • 10 ÷ 2 = 5
Difficulty
expert

Write the fact family for 8, 1, 9:

Show answer

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

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