expert Set 77 Form Exercise

Write the fact family for 1, 2, 3:

Show answer

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

SubType
fact-family
Facts
  • 1 + 2 = 3
  • 2 + 1 = 3
  • 3 - 1 = 2
  • 3 - 2 = 1
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 4, 4, 16:

Show answer

Answer: 4 × 4 = 16; 4 × 4 = 16; 16 ÷ 4 = 4; 16 ÷ 4 = 4

SubType
fact-family
Facts
  • 4 × 4 = 16
  • 4 × 4 = 16
  • 16 ÷ 4 = 4
  • 16 ÷ 4 = 4
Difficulty
expert

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
expert

Write the fact family for 5, 3, 8:

Show answer

Answer: 5 + 3 = 8; 3 + 5 = 8; 8 - 5 = 3; 8 - 3 = 5

SubType
fact-family
Facts
  • 5 + 3 = 8
  • 3 + 5 = 8
  • 8 - 5 = 3
  • 8 - 3 = 5
Difficulty
expert

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
expert