hard Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, 37] → [_, _, _] → [_, _, 10, 7] → [1, _, 8, _, 5]

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Answer: Row5[4]=2, Row1[1]=70, Row3[3]=17, Row4[1]=3, Row3[1]=13, Row3[2]=20, Row4[2]=10, Row5[2]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [33,37]
  • [13,20,17]
  • [3,10,10,7]
  • [1,2,8,2,5]
Base
  • 1
  • 2
  • 8
  • 2
  • 5
TopValue
70
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":0,"c":0,"v":70}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [40, 48] → [_, _, _] → [5, _, _, _] → [3, 2, _, 4, _]

Show answer

Answer: Row4[3]=13, Row4[2]=11, Row3[2]=24, Row3[1]=16, Row5[5]=7, Row4[4]=11, Row5[3]=9, Row3[3]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [40,48]
  • [16,24,24]
  • [5,11,13,11]
  • [3,2,9,4,7]
Base
  • 3
  • 2
  • 9
  • 4
  • 7
TopValue
88
HiddenCells
  • {"r":3,"c":2,"v":13}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":1,"v":24}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":2,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, _] → [_, 28, _] → [_, 16, 12, _] → [_, 6, 10, 2, _]

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Answer: Row5[1]=5, Row3[3]=21, Row2[2]=49, Row4[4]=9, Row3[1]=27, Row4[1]=11, Row1[1]=104, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [55,49]
  • [27,28,21]
  • [11,16,12,9]
  • [5,6,10,2,7]
Base
  • 5
  • 6
  • 10
  • 2
  • 7
TopValue
104
HiddenCells
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":2,"v":21}
  • {"r":1,"c":1,"v":49}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":27}
  • {"r":3,"c":0,"v":11}
  • {"r":0,"c":0,"v":104}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [90] → [43, 47] → [_, _, _] → [_, 10, 12, 13] → [_, _, 9, _, _]

Show answer

Answer: Row5[1]=10, Row5[4]=3, Row5[2]=1, Row3[2]=22, Row5[5]=10, Row3[1]=21, Row4[1]=11, Row3[3]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [43,47]
  • [21,22,25]
  • [11,10,12,13]
  • [10,1,9,3,10]
Base
  • 10
  • 1
  • 9
  • 3
  • 10
TopValue
90
HiddenCells
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":2,"v":25}