hard Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [20, _, 26] → [_, 9, 11, 15] → [5, _, 3, _, _]

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Answer: Row5[2]=6, Row5[4]=8, Row2[1]=40, Row5[5]=7, Row3[2]=20, Row2[2]=46, Row1[1]=86, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [40,46]
  • [20,20,26]
  • [11,9,11,15]
  • [5,6,3,8,7]
Base
  • 5
  • 6
  • 3
  • 8
  • 7
TopValue
86
HiddenCells
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":0,"v":40}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":1,"v":20}
  • {"r":1,"c":1,"v":46}
  • {"r":0,"c":0,"v":86}
  • {"r":3,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [68] → [_, _] → [12, _, 18] → [_, 9, _, 8] → [1, _, _, _, 5]

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Answer: Row2[2]=37, Row5[2]=2, Row4[3]=10, Row2[1]=31, Row4[1]=3, Row3[2]=19, Row5[3]=7, Row5[4]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [31,37]
  • [12,19,18]
  • [3,9,10,8]
  • [1,2,7,3,5]
Base
  • 1
  • 2
  • 7
  • 3
  • 5
TopValue
68
HiddenCells
  • {"r":1,"c":1,"v":37}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, 36] → [_, _, 20] → [9, 8, 8, _] → [3, _, _, _, _]

Show answer

Answer: Row5[5]=6, Row5[4]=6, Row3[1]=17, Row1[1]=69, Row3[2]=16, Row5[2]=6, Row4[4]=12, Row5[3]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [33,36]
  • [17,16,20]
  • [9,8,8,12]
  • [3,6,2,6,6]
Base
  • 3
  • 6
  • 2
  • 6
  • 6
TopValue
69
HiddenCells
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":0,"v":17}
  • {"r":0,"c":0,"v":69}
  • {"r":2,"c":1,"v":16}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, _] → [_, 5, _] → [_, 2, 3, 5] → [_, 1, _, _, 3]

Show answer

Answer: Row5[1]=3, Row3[1]=6, Row3[3]=8, Row5[3]=1, Row4[1]=4, Row5[4]=2, Row2[2]=13, Row2[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [24]
  • [11,13]
  • [6,5,8]
  • [4,2,3,5]
  • [3,1,1,2,3]
Base
  • 3
  • 1
  • 1
  • 2
  • 3
TopValue
24
HiddenCells
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":2,"v":8}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":0,"v":4}
  • {"r":4,"c":3,"v":2}
  • {"r":1,"c":1,"v":13}
  • {"r":1,"c":0,"v":11}