hard Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [23, _] → [_, 16, _] → [3, _, _, 12] → [_, 1, 3, _, _]

Show answer

Answer: Row3[3]=24, Row2[2]=40, Row4[2]=4, Row5[5]=3, Row5[4]=9, Row4[3]=12, Row3[1]=7, Row5[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [23,40]
  • [7,16,24]
  • [3,4,12,12]
  • [2,1,3,9,3]
Base
  • 2
  • 1
  • 3
  • 9
  • 3
TopValue
63
HiddenCells
  • {"r":2,"c":2,"v":24}
  • {"r":1,"c":1,"v":40}
  • {"r":3,"c":1,"v":4}
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":0,"v":7}
  • {"r":4,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [_, 34] → [_, 16, 18] → [_, _, _, 9] → [_, 6, _, _, 1]

Show answer

Answer: Row5[1]=3, Row4[3]=9, Row4[2]=7, Row4[1]=9, Row3[1]=16, Row5[4]=8, Row5[3]=1, Row2[1]=32

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [32,34]
  • [16,16,18]
  • [9,7,9,9]
  • [3,6,1,8,1]
Base
  • 3
  • 6
  • 1
  • 8
  • 1
TopValue
66
HiddenCells
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":2,"v":1}
  • {"r":1,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 35] → [_, 19, _] → [_, _, 9, _] → [_, 7, 3, 6, 1]

Show answer

Answer: Row3[1]=26, Row3[3]=16, Row4[2]=10, Row1[1]=80, Row4[4]=7, Row2[1]=45, Row5[1]=9, Row4[1]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [45,35]
  • [26,19,16]
  • [16,10,9,7]
  • [9,7,3,6,1]
Base
  • 9
  • 7
  • 3
  • 6
  • 1
TopValue
80
HiddenCells
  • {"r":2,"c":0,"v":26}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":80}
  • {"r":3,"c":3,"v":7}
  • {"r":1,"c":0,"v":45}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 35] → [_, _, 17] → [_, 11, _, _] → [10, 7, _, 3, 7]

Show answer

Answer: Row3[1]=28, Row4[1]=17, Row5[3]=4, Row3[2]=18, Row1[1]=81, Row4[3]=7, Row4[4]=10, Row2[1]=46

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [46,35]
  • [28,18,17]
  • [17,11,7,10]
  • [10,7,4,3,7]
Base
  • 10
  • 7
  • 4
  • 3
  • 7
TopValue
81
HiddenCells
  • {"r":2,"c":0,"v":28}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":1,"v":18}
  • {"r":0,"c":0,"v":81}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":0,"v":46}