hard Set 93 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, _] → [16, _, _] → [_, 5, 4, 4] → [_, 3, 2, _, _]

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Answer: Row2[2]=17, Row5[1]=8, Row1[1]=42, Row3[3]=8, Row3[2]=9, Row5[5]=2, Row5[4]=2, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [42]
  • [25,17]
  • [16,9,8]
  • [11,5,4,4]
  • [8,3,2,2,2]
Base
  • 8
  • 3
  • 2
  • 2
  • 2
TopValue
42
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":4,"c":0,"v":8}
  • {"r":0,"c":0,"v":42}
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":1,"v":9}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":3,"v":2}
  • {"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): [76] → [44, 32] → [_, _, _] → [_, 12, 6, 8] → [_, _, 2, _, _]

Show answer

Answer: Row4[1]=14, Row5[5]=4, Row3[1]=26, Row5[2]=10, Row5[4]=4, Row3[2]=18, Row5[1]=4, Row3[3]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [44,32]
  • [26,18,14]
  • [14,12,6,8]
  • [4,10,2,4,4]
Base
  • 4
  • 10
  • 2
  • 4
  • 4
TopValue
76
HiddenCells
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":0,"v":26}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":1,"v":18}
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, _] → [_, _, _] → [11, _, _, 4] → [1, 10, 5, 3, _]

Show answer

Answer: Row2[2]=35, Row5[5]=1, Row4[3]=8, Row1[1]=84, Row4[2]=15, Row3[1]=26, Row3[2]=23, Row3[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [49,35]
  • [26,23,12]
  • [11,15,8,4]
  • [1,10,5,3,1]
Base
  • 1
  • 10
  • 5
  • 3
  • 1
TopValue
84
HiddenCells
  • {"r":1,"c":1,"v":35}
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":2,"v":8}
  • {"r":0,"c":0,"v":84}
  • {"r":3,"c":1,"v":15}
  • {"r":2,"c":0,"v":26}
  • {"r":2,"c":1,"v":23}
  • {"r":2,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [100] → [53, 47] → [_, _, 21] → [13, 14, _, _] → [3, _, _, _, _]

Show answer

Answer: Row4[3]=12, Row4[4]=9, Row5[5]=1, Row3[1]=27, Row5[4]=8, Row5[3]=4, Row5[2]=10, Row3[2]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [53,47]
  • [27,26,21]
  • [13,14,12,9]
  • [3,10,4,8,1]
Base
  • 3
  • 10
  • 4
  • 8
  • 1
TopValue
100
HiddenCells
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":4,"v":1}
  • {"r":2,"c":0,"v":27}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":1,"v":26}