hard Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [66, _] → [30, _, 32] → [_, 18, _, 14] → [_, _, 9, _, 5]

Show answer

Answer: Row3[2]=36, Row5[4]=9, Row4[3]=18, Row4[1]=12, Row5[1]=3, Row1[1]=134, Row2[2]=68, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [134]
  • [66,68]
  • [30,36,32]
  • [12,18,18,14]
  • [3,9,9,9,5]
Base
  • 3
  • 9
  • 9
  • 9
  • 5
TopValue
134
HiddenCells
  • {"r":2,"c":1,"v":36}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":2,"v":18}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":0,"v":3}
  • {"r":0,"c":0,"v":134}
  • {"r":1,"c":1,"v":68}
  • {"r":4,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 41] → [8, 17, _] → [2, 6, _, 13] → [_, 1, _, _, _]

Show answer

Answer: Row5[1]=1, Row5[4]=6, Row5[3]=5, Row5[5]=7, Row1[1]=66, Row3[3]=24, Row4[3]=11, Row2[1]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [25,41]
  • [8,17,24]
  • [2,6,11,13]
  • [1,1,5,6,7]
Base
  • 1
  • 1
  • 5
  • 6
  • 7
TopValue
66
HiddenCells
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":4,"v":7}
  • {"r":0,"c":0,"v":66}
  • {"r":2,"c":2,"v":24}
  • {"r":3,"c":2,"v":11}
  • {"r":1,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 51] → [_, 24, _] → [13, 11, _, 14] → [_, 7, 4, _, _]

Show answer

Answer: Row5[4]=9, Row5[5]=5, Row3[3]=27, Row5[1]=6, Row4[3]=13, Row3[1]=24, Row2[1]=48, Row1[1]=99

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [48,51]
  • [24,24,27]
  • [13,11,13,14]
  • [6,7,4,9,5]
Base
  • 6
  • 7
  • 4
  • 9
  • 5
TopValue
99
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":2,"v":27}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":0,"v":24}
  • {"r":1,"c":0,"v":48}
  • {"r":0,"c":0,"v":99}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [_, _] → [15, 16, _] → [_, _, _, 5] → [_, 4, _, 4, 1]

Show answer

Answer: Row2[1]=31, Row4[2]=8, Row3[3]=13, Row4[1]=7, Row5[1]=3, Row2[2]=29, Row4[3]=8, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [31,29]
  • [15,16,13]
  • [7,8,8,5]
  • [3,4,4,4,1]
Base
  • 3
  • 4
  • 4
  • 4
  • 1
TopValue
60
HiddenCells
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":1,"v":29}
  • {"r":3,"c":2,"v":8}
  • {"r":4,"c":2,"v":4}