medium Set 20 Form Exercise

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
medium

Write the fact family for 7, 3, 10:

Show answer

Answer: 7 + 3 = 10; 3 + 7 = 10; 10 - 7 = 3; 10 - 3 = 7

SubType
fact-family
Facts
  • 7 + 3 = 10
  • 3 + 7 = 10
  • 10 - 7 = 3
  • 10 - 3 = 7
Difficulty
medium

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
medium

Write the fact family for 5, 8, 40:

Show answer

Answer: 5 × 8 = 40; 8 × 5 = 40; 40 ÷ 5 = 8; 40 ÷ 8 = 5

SubType
fact-family
Facts
  • 5 × 8 = 40
  • 8 × 5 = 40
  • 40 ÷ 5 = 8
  • 40 ÷ 8 = 5
Difficulty
medium

Write the fact family for 10, 7, 70:

Show answer

Answer: 10 × 7 = 70; 7 × 10 = 70; 70 ÷ 10 = 7; 70 ÷ 7 = 10

SubType
fact-family
Facts
  • 10 × 7 = 70
  • 7 × 10 = 70
  • 70 ÷ 10 = 7
  • 70 ÷ 7 = 10
Difficulty
medium

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
medium