hard Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [35, _] → [15, 20, 29] → [_, _, _, 16] → [_, _, 3, _, 6]

Show answer

Answer: Row5[4]=10, Row4[1]=8, Row5[1]=4, Row5[2]=4, Row4[2]=7, Row2[2]=49, Row4[3]=13, Row1[1]=84

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [35,49]
  • [15,20,29]
  • [8,7,13,16]
  • [4,4,3,10,6]
Base
  • 4
  • 4
  • 3
  • 10
  • 6
TopValue
84
HiddenCells
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":1,"v":49}
  • {"r":3,"c":2,"v":13}
  • {"r":0,"c":0,"v":84}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, 43] → [_, _, 28] → [_, _, 11, _] → [_, 3, 1, _, 7]

Show answer

Answer: Row4[4]=17, Row5[1]=9, Row4[2]=4, Row4[1]=12, Row5[4]=10, Row1[1]=74, Row3[2]=15, Row3[1]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [31,43]
  • [16,15,28]
  • [12,4,11,17]
  • [9,3,1,10,7]
Base
  • 9
  • 3
  • 1
  • 10
  • 7
TopValue
74
HiddenCells
  • {"r":3,"c":3,"v":17}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":3,"v":10}
  • {"r":0,"c":0,"v":74}
  • {"r":2,"c":1,"v":15}
  • {"r":2,"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): [_] → [_, 15] → [_, _, _] → [_, _, 4, 3] → [_, 2, 2, 2, 1]

Show answer

Answer: Row4[2]=4, Row3[2]=8, Row3[1]=9, Row1[1]=32, Row2[1]=17, Row3[3]=7, Row4[1]=5, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [32]
  • [17,15]
  • [9,8,7]
  • [5,4,4,3]
  • [3,2,2,2,1]
Base
  • 3
  • 2
  • 2
  • 2
  • 1
TopValue
32
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":0,"v":9}
  • {"r":0,"c":0,"v":32}
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":2,"v":7}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"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): [63] → [_, 39] → [9, 15, _] → [_, 5, 10, _] → [_, 2, _, _, _]

Show answer

Answer: Row5[5]=7, Row2[1]=24, Row4[4]=14, Row5[4]=7, Row3[3]=24, Row5[3]=3, Row4[1]=4, Row5[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [24,39]
  • [9,15,24]
  • [4,5,10,14]
  • [2,2,3,7,7]
Base
  • 2
  • 2
  • 3
  • 7
  • 7
TopValue
63
HiddenCells
  • {"r":4,"c":4,"v":7}
  • {"r":1,"c":0,"v":24}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":2,"v":24}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":0,"v":4}
  • {"r":4,"c":0,"v":2}