expert Set 90 Form Exercise

Write the fact family for 1, 9, 10:

Show answer

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

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

Write the fact family for 5, 7, 35:

Show answer

Answer: 5 × 7 = 35; 7 × 5 = 35; 35 ÷ 5 = 7; 35 ÷ 7 = 5

SubType
fact-family
Facts
  • 5 × 7 = 35
  • 7 × 5 = 35
  • 35 ÷ 5 = 7
  • 35 ÷ 7 = 5
Difficulty
expert

Write the fact family for 4, 4, 8:

Show answer

Answer: 4 + 4 = 8; 4 + 4 = 8; 8 - 4 = 4; 8 - 4 = 4

SubType
fact-family
Facts
  • 4 + 4 = 8
  • 4 + 4 = 8
  • 8 - 4 = 4
  • 8 - 4 = 4
Difficulty
expert

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
expert

Write the fact family for 6, 4, 10:

Show answer

Answer: 6 + 4 = 10; 4 + 6 = 10; 10 - 6 = 4; 10 - 4 = 6

SubType
fact-family
Facts
  • 6 + 4 = 10
  • 4 + 6 = 10
  • 10 - 6 = 4
  • 10 - 4 = 6
Difficulty
expert

Write the fact family for 1, 3, 4:

Show answer

Answer: 1 + 3 = 4; 3 + 1 = 4; 4 - 1 = 3; 4 - 3 = 1

SubType
fact-family
Facts
  • 1 + 3 = 4
  • 3 + 1 = 4
  • 4 - 1 = 3
  • 4 - 3 = 1
Difficulty
expert