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): [65] → [_, 30] → [_, _, 15] → [_, 10, _, _] → [4, 6, _, _, 9]

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Answer: Row5[3]=4, Row3[2]=15, Row4[4]=10, Row3[1]=20, Row4[3]=5, Row2[1]=35, Row5[4]=1, Row4[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [35,30]
  • [20,15,15]
  • [10,10,5,10]
  • [4,6,4,1,9]
Base
  • 4
  • 6
  • 4
  • 1
  • 9
TopValue
65
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":0,"v":35}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 37] → [22, _, 20] → [_, 11, 6, 14] → [_, _, _, _, 10]

Show answer

Answer: Row5[4]=4, Row1[1]=76, Row5[2]=9, Row3[2]=17, Row4[1]=11, Row2[1]=39, Row5[3]=2, Row5[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [39,37]
  • [22,17,20]
  • [11,11,6,14]
  • [2,9,2,4,10]
Base
  • 2
  • 9
  • 2
  • 4
  • 10
TopValue
76
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":0,"c":0,"v":76}
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":0,"v":39}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [64, 58] → [30, 34, _] → [_, _, _, _] → [1, 10, _, _, 3]

Show answer

Answer: Row3[3]=24, Row4[3]=15, Row5[4]=6, Row4[2]=19, Row4[4]=9, Row1[1]=122, Row4[1]=11, Row5[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [122]
  • [64,58]
  • [30,34,24]
  • [11,19,15,9]
  • [1,10,9,6,3]
Base
  • 1
  • 10
  • 9
  • 6
  • 3
TopValue
122
HiddenCells
  • {"r":2,"c":2,"v":24}
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":1,"v":19}
  • {"r":3,"c":3,"v":9}
  • {"r":0,"c":0,"v":122}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [18, _, 12] → [10, 8, _, _] → [3, _, _, 5, 1]

Show answer

Answer: Row5[2]=7, Row2[1]=32, Row2[2]=26, Row4[3]=6, Row5[3]=1, Row1[1]=58, Row3[2]=14, Row4[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [32,26]
  • [18,14,12]
  • [10,8,6,6]
  • [3,7,1,5,1]
Base
  • 3
  • 7
  • 1
  • 5
  • 1
TopValue
58
HiddenCells
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":0,"v":32}
  • {"r":1,"c":1,"v":26}
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":2,"v":1}
  • {"r":0,"c":0,"v":58}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":3,"v":6}