hard Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, _] → [_, 15, _, 11] → [5, 9, 6, 9, 2]

Show answer

Answer: Row4[3]=15, Row2[2]=56, Row3[2]=30, Row1[1]=115, Row3[3]=26, Row2[1]=59, Row4[1]=14, Row3[1]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [59,56]
  • [29,30,26]
  • [14,15,15,11]
  • [5,9,6,9,2]
Base
  • 5
  • 9
  • 6
  • 9
  • 2
TopValue
115
HiddenCells
  • {"r":3,"c":2,"v":15}
  • {"r":1,"c":1,"v":56}
  • {"r":2,"c":1,"v":30}
  • {"r":0,"c":0,"v":115}
  • {"r":2,"c":2,"v":26}
  • {"r":1,"c":0,"v":59}
  • {"r":3,"c":0,"v":14}
  • {"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): [_] → [_, 25] → [8, 10, _] → [_, 5, _, _] → [1, _, 3, _, 8]

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Answer: Row2[1]=18, Row4[4]=10, Row4[3]=5, Row5[2]=2, Row1[1]=43, Row5[4]=2, Row4[1]=3, Row3[3]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [43]
  • [18,25]
  • [8,10,15]
  • [3,5,5,10]
  • [1,2,3,2,8]
Base
  • 1
  • 2
  • 3
  • 2
  • 8
TopValue
43
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":1,"v":2}
  • {"r":0,"c":0,"v":43}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":2,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 68] → [19, 29, 39] → [_, _, 19, _] → [8, 1, _, _, _]

Show answer

Answer: Row5[5]=10, Row4[4]=20, Row2[1]=48, Row4[2]=10, Row1[1]=116, Row4[1]=9, Row5[4]=10, Row5[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [48,68]
  • [19,29,39]
  • [9,10,19,20]
  • [8,1,9,10,10]
Base
  • 8
  • 1
  • 9
  • 10
  • 10
TopValue
116
HiddenCells
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":3,"v":20}
  • {"r":1,"c":0,"v":48}
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":116}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [46, _] → [_, _, _] → [18, 12, 4, _] → [_, 9, 3, _, _]

Show answer

Answer: Row5[1]=9, Row4[4]=5, Row5[5]=4, Row3[1]=30, Row3[2]=16, Row2[2]=25, Row3[3]=9, Row5[4]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [46,25]
  • [30,16,9]
  • [18,12,4,5]
  • [9,9,3,1,4]
Base
  • 9
  • 9
  • 3
  • 1
  • 4
TopValue
71
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":3,"v":5}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":0,"v":30}
  • {"r":2,"c":1,"v":16}
  • {"r":1,"c":1,"v":25}
  • {"r":2,"c":2,"v":9}
  • {"r":4,"c":3,"v":1}