hard Set 57 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [53, _] → [_, _, _] → [18, 13, 9, 13] → [_, _, _, 4, 9]

Show answer

Answer: Row3[2]=22, Row3[3]=22, Row1[1]=97, Row2[2]=44, Row5[1]=10, Row5[3]=5, Row3[1]=31, Row5[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [53,44]
  • [31,22,22]
  • [18,13,9,13]
  • [10,8,5,4,9]
Base
  • 10
  • 8
  • 5
  • 4
  • 9
TopValue
97
HiddenCells
  • {"r":2,"c":1,"v":22}
  • {"r":2,"c":2,"v":22}
  • {"r":0,"c":0,"v":97}
  • {"r":1,"c":1,"v":44}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":0,"v":31}
  • {"r":4,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [72, 57] → [39, 33, _] → [_, _, 13, _] → [9, _, 10, _, _]

Show answer

Answer: Row3[3]=24, Row5[5]=8, Row4[2]=20, Row1[1]=129, Row4[4]=11, Row5[2]=10, Row5[4]=3, Row4[1]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [129]
  • [72,57]
  • [39,33,24]
  • [19,20,13,11]
  • [9,10,10,3,8]
Base
  • 9
  • 10
  • 10
  • 3
  • 8
TopValue
129
HiddenCells
  • {"r":2,"c":2,"v":24}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":1,"v":20}
  • {"r":0,"c":0,"v":129}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [77] → [_, 38] → [22, _, 21] → [_, _, 10, 11] → [_, _, _, 9, _]

Show answer

Answer: Row4[2]=7, Row4[1]=15, Row5[2]=6, Row2[1]=39, Row5[1]=9, Row3[2]=17, Row5[5]=2, Row5[3]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [39,38]
  • [22,17,21]
  • [15,7,10,11]
  • [9,6,1,9,2]
Base
  • 9
  • 6
  • 1
  • 9
  • 2
TopValue
77
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":1,"v":6}
  • {"r":1,"c":0,"v":39}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":1,"v":17}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, _] → [_, _, _] → [_, 11, _, _] → [5, 6, 5, 8, 9]

Show answer

Answer: Row4[4]=17, Row3[2]=24, Row3[3]=30, Row4[3]=13, Row1[1]=100, Row2[2]=54, Row3[1]=22, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [46,54]
  • [22,24,30]
  • [11,11,13,17]
  • [5,6,5,8,9]
Base
  • 5
  • 6
  • 5
  • 8
  • 9
TopValue
100
HiddenCells
  • {"r":3,"c":3,"v":17}
  • {"r":2,"c":1,"v":24}
  • {"r":2,"c":2,"v":30}
  • {"r":3,"c":2,"v":13}
  • {"r":0,"c":0,"v":100}
  • {"r":1,"c":1,"v":54}
  • {"r":2,"c":0,"v":22}
  • {"r":3,"c":0,"v":11}