hard Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [44, 59] → [16, 28, _] → [_, _, 17, _] → [4, _, _, _, 7]

Show answer

Answer: Row5[4]=7, Row3[3]=31, Row4[2]=11, Row4[1]=5, Row1[1]=103, Row5[3]=10, Row5[2]=1, Row4[4]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [44,59]
  • [16,28,31]
  • [5,11,17,14]
  • [4,1,10,7,7]
Base
  • 4
  • 1
  • 10
  • 7
  • 7
TopValue
103
HiddenCells
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":2,"v":31}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":0,"v":5}
  • {"r":0,"c":0,"v":103}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":3,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [43, 31] → [25, _, 13] → [_, 11, _, _] → [_, _, _, 4, _]

Show answer

Answer: Row3[2]=18, Row4[3]=7, Row4[4]=6, Row4[1]=14, Row5[1]=6, Row5[3]=3, Row5[2]=8, Row5[5]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [43,31]
  • [25,18,13]
  • [14,11,7,6]
  • [6,8,3,4,2]
Base
  • 6
  • 8
  • 3
  • 4
  • 2
TopValue
74
HiddenCells
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":4,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [109] → [_, _] → [22, 29, _] → [_, 13, _, 13] → [6, _, 10, _, _]

Show answer

Answer: Row5[2]=3, Row2[1]=51, Row5[4]=6, Row5[5]=7, Row4[3]=16, Row4[1]=9, Row3[3]=29, Row2[2]=58

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [51,58]
  • [22,29,29]
  • [9,13,16,13]
  • [6,3,10,6,7]
Base
  • 6
  • 3
  • 10
  • 6
  • 7
TopValue
109
HiddenCells
  • {"r":4,"c":1,"v":3}
  • {"r":1,"c":0,"v":51}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":2,"v":16}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":2,"v":29}
  • {"r":1,"c":1,"v":58}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [136] → [_, _] → [33, _, 33] → [16, 17, _, _] → [_, _, 9, 9, _]

Show answer

Answer: Row2[2]=68, Row3[2]=35, Row2[1]=68, Row5[2]=8, Row5[1]=8, Row4[4]=15, Row4[3]=18, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [136]
  • [68,68]
  • [33,35,33]
  • [16,17,18,15]
  • [8,8,9,9,6]
Base
  • 8
  • 8
  • 9
  • 9
  • 6
TopValue
136
HiddenCells
  • {"r":1,"c":1,"v":68}
  • {"r":2,"c":1,"v":35}
  • {"r":1,"c":0,"v":68}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":2,"v":18}
  • {"r":4,"c":4,"v":6}