hard Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [97] → [37, _] → [_, _, _] → [2, _, 17, 17] → [_, 1, _, 9, _]

Show answer

Answer: Row3[2]=26, Row3[1]=11, Row2[2]=60, Row5[3]=8, Row4[2]=9, Row3[3]=34, Row5[1]=1, Row5[5]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [37,60]
  • [11,26,34]
  • [2,9,17,17]
  • [1,1,8,9,8]
Base
  • 1
  • 1
  • 8
  • 9
  • 8
TopValue
97
HiddenCells
  • {"r":2,"c":1,"v":26}
  • {"r":2,"c":0,"v":11}
  • {"r":1,"c":1,"v":60}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":2,"v":34}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":4,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 42] → [_, 20, _] → [10, 9, 11, _] → [7, _, 6, _, _]

Show answer

Answer: Row4[4]=11, Row5[2]=3, Row3[3]=22, Row3[1]=19, Row2[1]=39, Row1[1]=81, Row5[4]=5, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [39,42]
  • [19,20,22]
  • [10,9,11,11]
  • [7,3,6,5,6]
Base
  • 7
  • 3
  • 6
  • 5
  • 6
TopValue
81
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":2,"v":22}
  • {"r":2,"c":0,"v":19}
  • {"r":1,"c":0,"v":39}
  • {"r":0,"c":0,"v":81}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":4,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [17, 22, 16] → [6, _, 11, _] → [_, 3, 8, _, _]

Show answer

Answer: Row2[1]=39, Row5[4]=3, Row2[2]=38, Row4[2]=11, Row1[1]=77, Row4[4]=5, Row5[5]=2, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [39,38]
  • [17,22,16]
  • [6,11,11,5]
  • [3,3,8,3,2]
Base
  • 3
  • 3
  • 8
  • 3
  • 2
TopValue
77
HiddenCells
  • {"r":1,"c":0,"v":39}
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":1,"v":38}
  • {"r":3,"c":1,"v":11}
  • {"r":0,"c":0,"v":77}
  • {"r":3,"c":3,"v":5}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, 47] → [25, _, 23] → [_, _, 11, 12] → [_, _, _, _, 8]

Show answer

Answer: Row5[4]=4, Row4[2]=13, Row5[3]=7, Row3[2]=24, Row1[1]=96, Row5[1]=6, Row4[1]=12, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [49,47]
  • [25,24,23]
  • [12,13,11,12]
  • [6,6,7,4,8]
Base
  • 6
  • 6
  • 7
  • 4
  • 8
TopValue
96
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":1,"v":24}
  • {"r":0,"c":0,"v":96}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":1,"v":6}