hard Set 29 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [131] → [68, 63] → [31, _, 26] → [_, 20, _, _] → [_, _, _, _, 2]

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Answer: Row5[4]=7, Row4[4]=9, Row3[2]=37, Row5[1]=1, Row4[3]=17, Row4[1]=11, Row5[2]=10, Row5[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [131]
  • [68,63]
  • [31,37,26]
  • [11,20,17,9]
  • [1,10,10,7,2]
Base
  • 1
  • 10
  • 10
  • 7
  • 2
TopValue
131
HiddenCells
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":37}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":2,"v":17}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [35, _] → [12, _, _] → [_, 9, _, 8] → [1, _, _, _, 1]

Show answer

Answer: Row3[3]=22, Row5[4]=7, Row3[2]=23, Row4[1]=3, Row4[3]=14, Row2[2]=45, Row5[3]=7, Row5[2]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [35,45]
  • [12,23,22]
  • [3,9,14,8]
  • [1,2,7,7,1]
Base
  • 1
  • 2
  • 7
  • 7
  • 1
TopValue
80
HiddenCells
  • {"r":2,"c":2,"v":22}
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":1,"v":23}
  • {"r":3,"c":0,"v":3}
  • {"r":3,"c":2,"v":14}
  • {"r":1,"c":1,"v":45}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [98] → [_, 55] → [18, 25, _] → [_, _, 16, 14] → [8, _, _, _, _]

Show answer

Answer: Row5[5]=6, Row5[2]=1, Row5[4]=8, Row4[1]=9, Row5[3]=8, Row4[2]=9, Row2[1]=43, Row3[3]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [43,55]
  • [18,25,30]
  • [9,9,16,14]
  • [8,1,8,8,6]
Base
  • 8
  • 1
  • 8
  • 8
  • 6
TopValue
98
HiddenCells
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":43}
  • {"r":2,"c":2,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [_, 34] → [22, _, 16] → [_, 10, 8, _] → [_, _, _, _, 4]

Show answer

Answer: Row5[2]=6, Row4[1]=12, Row5[1]=6, Row3[2]=18, Row5[3]=4, Row4[4]=8, Row2[1]=40, Row5[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [40,34]
  • [22,18,16]
  • [12,10,8,8]
  • [6,6,4,4,4]
Base
  • 6
  • 6
  • 4
  • 4
  • 4
TopValue
74
HiddenCells
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":1,"v":18}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":0,"v":40}
  • {"r":4,"c":3,"v":4}