hard Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [100] → [_, 48] → [_, 25, 23] → [13, _, _, _] → [_, _, 7, _, 8]

Show answer

Answer: Row4[2]=14, Row4[3]=11, Row5[1]=6, Row5[2]=7, Row2[1]=52, Row3[1]=27, Row4[4]=12, Row5[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [52,48]
  • [27,25,23]
  • [13,14,11,12]
  • [6,7,7,4,8]
Base
  • 6
  • 7
  • 7
  • 4
  • 8
TopValue
100
HiddenCells
  • {"r":3,"c":1,"v":14}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":0,"v":52}
  • {"r":2,"c":0,"v":27}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [118] → [_, 62] → [_, _, 32] → [13, _, 17, _] → [_, 5, _, 9, _]

Show answer

Answer: Row3[2]=30, Row3[1]=26, Row4[4]=15, Row5[3]=8, Row2[1]=56, Row5[5]=6, Row5[1]=8, Row4[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [56,62]
  • [26,30,32]
  • [13,13,17,15]
  • [8,5,8,9,6]
Base
  • 8
  • 5
  • 8
  • 9
  • 6
TopValue
118
HiddenCells
  • {"r":2,"c":1,"v":30}
  • {"r":2,"c":0,"v":26}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":2,"v":8}
  • {"r":1,"c":0,"v":56}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [62, 52] → [32, _, 22] → [_, _, 11, 11] → [3, _, _, _, _]

Show answer

Answer: Row5[4]=2, Row5[2]=10, Row3[2]=30, Row1[1]=114, Row5[3]=9, Row4[1]=13, Row4[2]=19, Row5[5]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [114]
  • [62,52]
  • [32,30,22]
  • [13,19,11,11]
  • [3,10,9,2,9]
Base
  • 3
  • 10
  • 9
  • 2
  • 9
TopValue
114
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":1,"v":30}
  • {"r":0,"c":0,"v":114}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":1,"v":19}
  • {"r":4,"c":4,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, _] → [13, 14, 14] → [_, _, 6, _] → [_, 3, _, 1, _]

Show answer

Answer: Row2[2]=28, Row5[5]=7, Row2[1]=27, Row4[4]=8, Row4[2]=8, Row4[1]=5, Row5[1]=2, Row5[3]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [27,28]
  • [13,14,14]
  • [5,8,6,8]
  • [2,3,5,1,7]
Base
  • 2
  • 3
  • 5
  • 1
  • 7
TopValue
55
HiddenCells
  • {"r":1,"c":1,"v":28}
  • {"r":4,"c":4,"v":7}
  • {"r":1,"c":0,"v":27}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":2,"v":5}