hard Set 37 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 19] → [15, _, 8, 11] → [9, _, 3, 5, _]

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Answer: Row3[1]=24, Row4[2]=9, Row3[2]=17, Row5[2]=6, Row2[2]=36, Row1[1]=77, Row2[1]=41, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [41,36]
  • [24,17,19]
  • [15,9,8,11]
  • [9,6,3,5,6]
Base
  • 9
  • 6
  • 3
  • 5
  • 6
TopValue
77
HiddenCells
  • {"r":2,"c":0,"v":24}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":1,"v":17}
  • {"r":4,"c":1,"v":6}
  • {"r":1,"c":1,"v":36}
  • {"r":0,"c":0,"v":77}
  • {"r":1,"c":0,"v":41}
  • {"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): [52] → [_, _] → [_, 13, 7] → [_, _, 5, 2] → [7, _, _, 1, _]

Show answer

Answer: Row4[2]=8, Row3[1]=19, Row4[1]=11, Row2[2]=20, Row5[5]=1, Row5[2]=4, Row5[3]=4, Row2[1]=32

SubType
number-pyramid
Difficulty
hard
Levels
  • [52]
  • [32,20]
  • [19,13,7]
  • [11,8,5,2]
  • [7,4,4,1,1]
Base
  • 7
  • 4
  • 4
  • 1
  • 1
TopValue
52
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":0,"v":19}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":1,"v":20}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":2,"v":4}
  • {"r":1,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [97] → [_, _] → [25, _, _] → [12, _, 11, _] → [_, 9, 4, 7, _]

Show answer

Answer: Row2[1]=49, Row4[2]=13, Row4[4]=13, Row5[5]=6, Row3[2]=24, Row5[1]=3, Row3[3]=24, Row2[2]=48

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [49,48]
  • [25,24,24]
  • [12,13,11,13]
  • [3,9,4,7,6]
Base
  • 3
  • 9
  • 4
  • 7
  • 6
TopValue
97
HiddenCells
  • {"r":1,"c":0,"v":49}
  • {"r":3,"c":1,"v":13}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":1,"v":24}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":2,"v":24}
  • {"r":1,"c":1,"v":48}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 38] → [14, 17, _] → [_, 8, _, 12] → [5, _, _, _, 10]

Show answer

Answer: Row4[3]=9, Row5[2]=1, Row2[1]=31, Row5[3]=7, Row4[1]=6, Row1[1]=69, Row3[3]=21, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [31,38]
  • [14,17,21]
  • [6,8,9,12]
  • [5,1,7,2,10]
Base
  • 5
  • 1
  • 7
  • 2
  • 10
TopValue
69
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":1,"v":1}
  • {"r":1,"c":0,"v":31}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":0,"v":6}
  • {"r":0,"c":0,"v":69}
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":3,"v":2}