expert Set 42 Form Exercise

Write the fact family for 10, 5, 50:

Show answer

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

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

Write the fact family for 8, 9, 72:

Show answer

Answer: 8 × 9 = 72; 9 × 8 = 72; 72 ÷ 8 = 9; 72 ÷ 9 = 8

SubType
fact-family
Facts
  • 8 × 9 = 72
  • 9 × 8 = 72
  • 72 ÷ 8 = 9
  • 72 ÷ 9 = 8
Difficulty
expert

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
expert

Write the fact family for 6, 3, 9:

Show answer

Answer: 6 + 3 = 9; 3 + 6 = 9; 9 - 6 = 3; 9 - 3 = 6

SubType
fact-family
Facts
  • 6 + 3 = 9
  • 3 + 6 = 9
  • 9 - 6 = 3
  • 9 - 3 = 6
Difficulty
expert

Write the fact family for 9, 9, 81:

Show answer

Answer: 9 × 9 = 81; 9 × 9 = 81; 81 ÷ 9 = 9; 81 ÷ 9 = 9

SubType
fact-family
Facts
  • 9 × 9 = 81
  • 9 × 9 = 81
  • 81 ÷ 9 = 9
  • 81 ÷ 9 = 9
Difficulty
expert

Write the fact family for 2, 6, 8:

Show answer

Answer: 2 + 6 = 8; 6 + 2 = 8; 8 - 2 = 6; 8 - 6 = 2

SubType
fact-family
Facts
  • 2 + 6 = 8
  • 6 + 2 = 8
  • 8 - 2 = 6
  • 8 - 6 = 2
Difficulty
expert