hard Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [52, 54] → [_, _, 26] → [_, 15, 13, 13] → [_, _, _, _, 7]

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Answer: Row5[4]=6, Row4[1]=9, Row5[1]=1, Row1[1]=106, Row3[1]=24, Row3[2]=28, Row5[3]=7, Row5[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [52,54]
  • [24,28,26]
  • [9,15,13,13]
  • [1,8,7,6,7]
Base
  • 1
  • 8
  • 7
  • 6
  • 7
TopValue
106
HiddenCells
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":0,"v":1}
  • {"r":0,"c":0,"v":106}
  • {"r":2,"c":0,"v":24}
  • {"r":2,"c":1,"v":28}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"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): [_] → [_, _] → [29, 28, _] → [12, _, _, 10] → [_, _, 10, 1, 9]

Show answer

Answer: Row4[2]=17, Row3[3]=21, Row4[3]=11, Row2[1]=57, Row5[2]=7, Row2[2]=49, Row1[1]=106, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [57,49]
  • [29,28,21]
  • [12,17,11,10]
  • [5,7,10,1,9]
Base
  • 5
  • 7
  • 10
  • 1
  • 9
TopValue
106
HiddenCells
  • {"r":3,"c":1,"v":17}
  • {"r":2,"c":2,"v":21}
  • {"r":3,"c":2,"v":11}
  • {"r":1,"c":0,"v":57}
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":1,"v":49}
  • {"r":0,"c":0,"v":106}
  • {"r":4,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [30, _] → [_, 15, _] → [_, _, 10, _] → [9, _, _, 6, 10]

Show answer

Answer: Row2[2]=41, Row5[3]=4, Row5[2]=1, Row4[4]=16, Row4[2]=5, Row4[1]=10, Row3[3]=26, Row3[1]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [30,41]
  • [15,15,26]
  • [10,5,10,16]
  • [9,1,4,6,10]
Base
  • 9
  • 1
  • 4
  • 6
  • 10
TopValue
71
HiddenCells
  • {"r":1,"c":1,"v":41}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":3,"v":16}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":2,"v":26}
  • {"r":2,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [_, _] → [_, 17, _] → [5, 7, _, _] → [_, 3, _, 6, 2]

Show answer

Answer: Row2[1]=29, Row2[2]=35, Row4[3]=10, Row3[3]=18, Row3[1]=12, Row5[3]=4, Row4[4]=8, Row5[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [29,35]
  • [12,17,18]
  • [5,7,10,8]
  • [2,3,4,6,2]
Base
  • 2
  • 3
  • 4
  • 6
  • 2
TopValue
64
HiddenCells
  • {"r":1,"c":0,"v":29}
  • {"r":1,"c":1,"v":35}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":2,"v":18}
  • {"r":2,"c":0,"v":12}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":0,"v":2}