hard Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [108] → [_, _] → [29, _, 27] → [16, _, _, _] → [7, _, _, 9, 5]

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Answer: Row3[2]=26, Row4[2]=13, Row5[2]=9, Row5[3]=4, Row4[3]=13, Row2[1]=55, Row4[4]=14, Row2[2]=53

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [55,53]
  • [29,26,27]
  • [16,13,13,14]
  • [7,9,4,9,5]
Base
  • 7
  • 9
  • 4
  • 9
  • 5
TopValue
108
HiddenCells
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":2,"v":13}
  • {"r":1,"c":0,"v":55}
  • {"r":3,"c":3,"v":14}
  • {"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): [116] → [_, 58] → [27, _, _] → [13, 14, _, 10] → [_, _, _, _, 2]

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Answer: Row5[1]=8, Row5[4]=8, Row5[2]=5, Row3[3]=27, Row4[3]=17, Row5[3]=9, Row2[1]=58, Row3[2]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [58,58]
  • [27,31,27]
  • [13,14,17,10]
  • [8,5,9,8,2]
Base
  • 8
  • 5
  • 9
  • 8
  • 2
TopValue
116
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":2,"v":27}
  • {"r":3,"c":2,"v":17}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":0,"v":58}
  • {"r":2,"c":1,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [90] → [45, 45] → [23, _, _] → [_, 12, 10, 13] → [_, _, _, _, _]

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Answer: Row5[4]=3, Row3[2]=22, Row5[1]=6, Row5[2]=5, Row5[3]=7, Row5[5]=10, Row3[3]=23, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [45,45]
  • [23,22,23]
  • [11,12,10,13]
  • [6,5,7,3,10]
Base
  • 6
  • 5
  • 7
  • 3
  • 10
TopValue
90
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [94] → [_, _] → [_, 26, _] → [_, 13, 13, 4] → [_, _, 10, 3, _]

Show answer

Answer: Row3[3]=17, Row4[1]=12, Row2[1]=51, Row5[5]=1, Row5[1]=9, Row2[2]=43, Row5[2]=3, Row3[1]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [51,43]
  • [25,26,17]
  • [12,13,13,4]
  • [9,3,10,3,1]
Base
  • 9
  • 3
  • 10
  • 3
  • 1
TopValue
94
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":0,"v":12}
  • {"r":1,"c":0,"v":51}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":0,"v":9}
  • {"r":1,"c":1,"v":43}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":0,"v":25}