hard Set 24 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [31, 32, _] → [_, _, 13, _] → [2, 10, _, 4, 5]

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Answer: Row4[1]=12, Row4[2]=19, Row4[4]=9, Row3[3]=22, Row5[3]=9, Row2[2]=54, Row1[1]=117, Row2[1]=63

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [63,54]
  • [31,32,22]
  • [12,19,13,9]
  • [2,10,9,4,5]
Base
  • 2
  • 10
  • 9
  • 4
  • 5
TopValue
117
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":1,"v":19}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":2,"v":22}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":1,"v":54}
  • {"r":0,"c":0,"v":117}
  • {"r":1,"c":0,"v":63}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [43, 40] → [_, _, _] → [_, _, 10, 10] → [_, _, 6, 4, 6]

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Answer: Row3[2]=20, Row3[3]=20, Row5[1]=9, Row5[2]=4, Row4[1]=13, Row3[1]=23, Row4[2]=10, Row1[1]=83

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [43,40]
  • [23,20,20]
  • [13,10,10,10]
  • [9,4,6,4,6]
Base
  • 9
  • 4
  • 6
  • 4
  • 6
TopValue
83
HiddenCells
  • {"r":2,"c":1,"v":20}
  • {"r":2,"c":2,"v":20}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":0,"v":13}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":83}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [60, _] → [_, _, _] → [14, 15, _, 11] → [6, _, 7, _, 2]

Show answer

Answer: Row4[3]=16, Row3[2]=31, Row5[2]=8, Row3[3]=27, Row5[4]=9, Row2[2]=58, Row1[1]=118, Row3[1]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [60,58]
  • [29,31,27]
  • [14,15,16,11]
  • [6,8,7,9,2]
Base
  • 6
  • 8
  • 7
  • 9
  • 2
TopValue
118
HiddenCells
  • {"r":3,"c":2,"v":16}
  • {"r":2,"c":1,"v":31}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":2,"v":27}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":1,"v":58}
  • {"r":0,"c":0,"v":118}
  • {"r":2,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [25, _] → [12, _, _] → [5, 7, _, _] → [_, _, 3, 3, _]

Show answer

Answer: Row3[3]=17, Row5[5]=8, Row4[4]=11, Row3[2]=13, Row2[2]=30, Row5[1]=1, Row5[2]=4, Row4[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [25,30]
  • [12,13,17]
  • [5,7,6,11]
  • [1,4,3,3,8]
Base
  • 1
  • 4
  • 3
  • 3
  • 8
TopValue
55
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":1,"v":13}
  • {"r":1,"c":1,"v":30}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":2,"v":6}