hard Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, 26] → [_, 15, _] → [_, _, _, 5] → [1, _, 5, 1, _]

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Answer: Row5[5]=4, Row4[3]=6, Row2[1]=29, Row3[3]=11, Row5[2]=4, Row4[1]=5, Row3[1]=14, Row4[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [29,26]
  • [14,15,11]
  • [5,9,6,5]
  • [1,4,5,1,4]
Base
  • 1
  • 4
  • 5
  • 1
  • 4
TopValue
55
HiddenCells
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":0,"v":29}
  • {"r":2,"c":2,"v":11}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [44, 35] → [_, 19, _] → [_, _, 8, _] → [10, _, _, 1, _]

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Answer: Row5[2]=4, Row3[1]=25, Row3[3]=16, Row4[4]=8, Row5[5]=7, Row4[1]=14, Row4[2]=11, Row5[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [44,35]
  • [25,19,16]
  • [14,11,8,8]
  • [10,4,7,1,7]
Base
  • 10
  • 4
  • 7
  • 1
  • 7
TopValue
79
HiddenCells
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":0,"v":25}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":0,"v":14}
  • {"r":3,"c":1,"v":11}
  • {"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): [_] → [42, _] → [25, _, 20] → [14, 11, 6, _] → [_, 9, _, _, _]

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Answer: Row5[4]=4, Row5[5]=10, Row4[4]=14, Row1[1]=79, Row5[3]=2, Row5[1]=5, Row2[2]=37, Row3[2]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [42,37]
  • [25,17,20]
  • [14,11,6,14]
  • [5,9,2,4,10]
Base
  • 5
  • 9
  • 2
  • 4
  • 10
TopValue
79
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":3,"v":14}
  • {"r":0,"c":0,"v":79}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":0,"v":5}
  • {"r":1,"c":1,"v":37}
  • {"r":2,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [124] → [65, 59] → [_, _, _] → [_, _, _, _] → [7, 8, 9, _, 3]

Show answer

Answer: Row3[1]=32, Row4[1]=15, Row4[4]=10, Row4[3]=16, Row4[2]=17, Row3[2]=33, Row5[4]=7, Row3[3]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [124]
  • [65,59]
  • [32,33,26]
  • [15,17,16,10]
  • [7,8,9,7,3]
Base
  • 7
  • 8
  • 9
  • 7
  • 3
TopValue
124
HiddenCells
  • {"r":2,"c":0,"v":32}
  • {"r":3,"c":0,"v":15}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":2,"v":16}
  • {"r":3,"c":1,"v":17}
  • {"r":2,"c":1,"v":33}
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":2,"v":26}