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): [_] → [64, 63] → [32, _, 31] → [17, _, _, _] → [_, 8, _, _, 4]

Show answer

Answer: Row4[4]=14, Row4[2]=15, Row4[3]=17, Row1[1]=127, Row5[4]=10, Row3[2]=32, Row5[1]=9, Row5[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [127]
  • [64,63]
  • [32,32,31]
  • [17,15,17,14]
  • [9,8,7,10,4]
Base
  • 9
  • 8
  • 7
  • 10
  • 4
TopValue
127
HiddenCells
  • {"r":3,"c":3,"v":14}
  • {"r":3,"c":1,"v":15}
  • {"r":3,"c":2,"v":17}
  • {"r":0,"c":0,"v":127}
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":1,"v":32}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [12, _, 23] → [5, 7, _, 11] → [_, _, 6, _, _]

Show answer

Answer: Row1[1]=73, Row5[1]=4, Row5[2]=1, Row3[2]=19, Row2[2]=42, Row5[5]=5, Row5[4]=6, Row4[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [31,42]
  • [12,19,23]
  • [5,7,12,11]
  • [4,1,6,6,5]
Base
  • 4
  • 1
  • 6
  • 6
  • 5
TopValue
73
HiddenCells
  • {"r":0,"c":0,"v":73}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":1,"v":19}
  • {"r":1,"c":1,"v":42}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [38, 48] → [16, 22, 26] → [6, _, _, _] → [_, _, 5, _, _]

Show answer

Answer: Row1[1]=86, Row5[2]=5, Row4[3]=12, Row5[5]=7, Row5[1]=1, Row5[4]=7, Row4[2]=10, Row4[4]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [38,48]
  • [16,22,26]
  • [6,10,12,14]
  • [1,5,5,7,7]
Base
  • 1
  • 5
  • 5
  • 7
  • 7
TopValue
86
HiddenCells
  • {"r":0,"c":0,"v":86}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":3,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [45, 40] → [_, _, 18] → [_, 11, _, _] → [10, 2, _, _, _]

Show answer

Answer: Row3[1]=23, Row4[4]=7, Row4[1]=12, Row5[5]=5, Row4[3]=11, Row5[3]=9, Row3[2]=22, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [45,40]
  • [23,22,18]
  • [12,11,11,7]
  • [10,2,9,2,5]
Base
  • 10
  • 2
  • 9
  • 2
  • 5
TopValue
85
HiddenCells
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":3,"v":2}