hard Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [_, 47] → [_, _, _] → [_, _, 13, _] → [_, 7, 3, 10, 1]

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Answer: Row4[4]=11, Row2[1]=41, Row3[3]=24, Row3[2]=23, Row4[1]=8, Row4[2]=10, Row3[1]=18, Row5[1]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [41,47]
  • [18,23,24]
  • [8,10,13,11]
  • [1,7,3,10,1]
Base
  • 1
  • 7
  • 3
  • 10
  • 1
TopValue
88
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":1,"c":0,"v":41}
  • {"r":2,"c":2,"v":24}
  • {"r":2,"c":1,"v":23}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":0,"v":18}
  • {"r":4,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [25, 28] → [13, _, _] → [_, _, 6, _] → [_, 1, _, 1, _]

Show answer

Answer: Row3[3]=16, Row4[2]=6, Row3[2]=12, Row5[1]=6, Row4[4]=10, Row5[5]=9, Row5[3]=5, Row4[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [53]
  • [25,28]
  • [13,12,16]
  • [7,6,6,10]
  • [6,1,5,1,9]
Base
  • 6
  • 1
  • 5
  • 1
  • 9
TopValue
53
HiddenCells
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":1,"v":12}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [87] → [_, _] → [27, _, _] → [14, _, 9, 7] → [_, 5, 8, _, _]

Show answer

Answer: Row2[2]=38, Row5[4]=1, Row3[3]=16, Row5[1]=9, Row4[2]=13, Row2[1]=49, Row3[2]=22, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [49,38]
  • [27,22,16]
  • [14,13,9,7]
  • [9,5,8,1,6]
Base
  • 9
  • 5
  • 8
  • 1
  • 6
TopValue
87
HiddenCells
  • {"r":1,"c":1,"v":38}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":2,"v":16}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":1,"v":13}
  • {"r":1,"c":0,"v":49}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":4,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [89] → [_, _] → [_, _, _] → [_, 12, _, 13] → [7, 9, 3, 5, _]

Show answer

Answer: Row2[1]=48, Row4[1]=16, Row3[2]=20, Row5[5]=8, Row3[3]=21, Row2[2]=41, Row3[1]=28, Row4[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [48,41]
  • [28,20,21]
  • [16,12,8,13]
  • [7,9,3,5,8]
Base
  • 7
  • 9
  • 3
  • 5
  • 8
TopValue
89
HiddenCells
  • {"r":1,"c":0,"v":48}
  • {"r":3,"c":0,"v":16}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":2,"v":21}
  • {"r":1,"c":1,"v":41}
  • {"r":2,"c":0,"v":28}
  • {"r":3,"c":2,"v":8}