easy Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [12, _] → [6, 6, _]

Show answer

Answer: Row3[3]=2, Row2[2]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [12,8]
  • [6,6,2]
Base
  • 6
  • 6
  • 2
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 9] → [8, _, 2]

Show answer

Answer: Row3[2]=7, Row1[1]=24

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [15,9]
  • [8,7,2]
Base
  • 8
  • 7
  • 2
TopValue
24
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":0,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [_, 9] → [_, 2, 7]

Show answer

Answer: Row3[1]=1, Row2[1]=3

SubType
number-pyramid
Difficulty
easy
Levels
  • [12]
  • [3,9]
  • [1,2,7]
Base
  • 1
  • 2
  • 7
TopValue
12
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":1,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [8, 9] → [_, 7, _]

Show answer

Answer: Row3[3]=2, Row3[1]=1

SubType
number-pyramid
Difficulty
easy
Levels
  • [17]
  • [8,9]
  • [1,7,2]
Base
  • 1
  • 7
  • 2
TopValue
17
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":2,"c":0,"v":1}