hard Set 35 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, 37] → [_, 18, 19] → [2, _, _, _] → [1, 1, _, _, _]

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Answer: Row5[3]=6, Row3[1]=9, Row5[4]=5, Row4[4]=8, Row4[3]=11, Row1[1]=64, Row4[2]=7, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [27,37]
  • [9,18,19]
  • [2,7,11,8]
  • [1,1,6,5,3]
Base
  • 1
  • 1
  • 6
  • 5
  • 3
TopValue
64
HiddenCells
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":0,"v":9}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":2,"v":11}
  • {"r":0,"c":0,"v":64}
  • {"r":3,"c":1,"v":7}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [86] → [47, _] → [_, _, 19] → [_, 11, 9, _] → [_, _, _, 6, 4]

Show answer

Answer: Row2[2]=39, Row5[1]=8, Row4[4]=10, Row4[1]=16, Row5[2]=8, Row3[1]=27, Row3[2]=20, Row5[3]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [47,39]
  • [27,20,19]
  • [16,11,9,10]
  • [8,8,3,6,4]
Base
  • 8
  • 8
  • 3
  • 6
  • 4
TopValue
86
HiddenCells
  • {"r":1,"c":1,"v":39}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":0,"v":27}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [83] → [44, _] → [24, _, _] → [14, _, _, _] → [9, 5, _, 5, _]

Show answer

Answer: Row3[2]=20, Row4[3]=10, Row5[3]=5, Row2[2]=39, Row4[2]=10, Row4[4]=9, Row5[5]=4, Row3[3]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [44,39]
  • [24,20,19]
  • [14,10,10,9]
  • [9,5,5,5,4]
Base
  • 9
  • 5
  • 5
  • 5
  • 4
TopValue
83
HiddenCells
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":2,"v":5}
  • {"r":1,"c":1,"v":39}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":2,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [_, _] → [_, 14, _] → [10, 7, _, _] → [6, _, _, 4, 2]

Show answer

Answer: Row4[4]=6, Row3[3]=13, Row4[3]=7, Row2[1]=31, Row5[2]=4, Row5[3]=3, Row3[1]=17, Row2[2]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [31,27]
  • [17,14,13]
  • [10,7,7,6]
  • [6,4,3,4,2]
Base
  • 6
  • 4
  • 3
  • 4
  • 2
TopValue
58
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":0,"v":31}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":0,"v":17}
  • {"r":1,"c":1,"v":27}