hard Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [59, 64] → [29, _, _] → [15, _, 16, _] → [8, _, _, 9, _]

Show answer

Answer: Row3[3]=34, Row1[1]=123, Row4[2]=14, Row5[2]=7, Row3[2]=30, Row5[3]=7, Row4[4]=18, Row5[5]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [123]
  • [59,64]
  • [29,30,34]
  • [15,14,16,18]
  • [8,7,7,9,9]
Base
  • 8
  • 7
  • 7
  • 9
  • 9
TopValue
123
HiddenCells
  • {"r":2,"c":2,"v":34}
  • {"r":0,"c":0,"v":123}
  • {"r":3,"c":1,"v":14}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":1,"v":30}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":3,"v":18}
  • {"r":4,"c":4,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, _] → [_, 17, 20] → [11, _, _, 11] → [_, 1, 7, _, _]

Show answer

Answer: Row1[1]=73, Row2[2]=37, Row5[5]=9, Row4[3]=9, Row5[1]=10, Row5[4]=2, Row3[1]=19, Row4[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [36,37]
  • [19,17,20]
  • [11,8,9,11]
  • [10,1,7,2,9]
Base
  • 10
  • 1
  • 7
  • 2
  • 9
TopValue
73
HiddenCells
  • {"r":0,"c":0,"v":73}
  • {"r":1,"c":1,"v":37}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":3,"v":2}
  • {"r":2,"c":0,"v":19}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 22] → [14, _, 12, _] → [_, 10, 9, 3, 7]

Show answer

Answer: Row1[1]=117, Row3[1]=33, Row5[1]=4, Row2[1]=64, Row4[2]=19, Row4[4]=10, Row3[2]=31, Row2[2]=53

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [64,53]
  • [33,31,22]
  • [14,19,12,10]
  • [4,10,9,3,7]
Base
  • 4
  • 10
  • 9
  • 3
  • 7
TopValue
117
HiddenCells
  • {"r":0,"c":0,"v":117}
  • {"r":2,"c":0,"v":33}
  • {"r":4,"c":0,"v":4}
  • {"r":1,"c":0,"v":64}
  • {"r":3,"c":1,"v":19}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":1,"v":31}
  • {"r":1,"c":1,"v":53}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [29, _] → [_, _, 14] → [_, 7, 8, _] → [_, 1, _, 2, _]

Show answer

Answer: Row4[4]=6, Row3[1]=14, Row4[1]=7, Row5[3]=6, Row2[2]=29, Row5[5]=4, Row3[2]=15, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [29,29]
  • [14,15,14]
  • [7,7,8,6]
  • [6,1,6,2,4]
Base
  • 6
  • 1
  • 6
  • 2
  • 4
TopValue
58
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":2,"v":6}
  • {"r":1,"c":1,"v":29}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":1,"v":15}
  • {"r":4,"c":0,"v":6}