hard Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 37] → [_, 18, 19] → [_, _, _, 12] → [1, _, _, 3, 9]

Show answer

Answer: Row1[1]=74, Row2[1]=37, Row4[1]=8, Row3[1]=19, Row4[3]=7, Row4[2]=11, Row5[3]=4, Row5[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [37,37]
  • [19,18,19]
  • [8,11,7,12]
  • [1,7,4,3,9]
Base
  • 1
  • 7
  • 4
  • 3
  • 9
TopValue
74
HiddenCells
  • {"r":0,"c":0,"v":74}
  • {"r":1,"c":0,"v":37}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":0,"v":19}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [51, _] → [28, 23, 26] → [_, _, _, 14] → [_, _, 3, 9, _]

Show answer

Answer: Row1[1]=100, Row5[1]=9, Row4[3]=12, Row5[5]=5, Row2[2]=49, Row4[2]=11, Row5[2]=8, Row4[1]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [51,49]
  • [28,23,26]
  • [17,11,12,14]
  • [9,8,3,9,5]
Base
  • 9
  • 8
  • 3
  • 9
  • 5
TopValue
100
HiddenCells
  • {"r":0,"c":0,"v":100}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":4,"v":5}
  • {"r":1,"c":1,"v":49}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [_, _] → [14, 9, 8] → [_, _, _, _] → [7, _, 3, _, 3]

Show answer

Answer: Row4[1]=9, Row5[2]=2, Row4[2]=5, Row4[3]=4, Row5[4]=1, Row2[1]=23, Row4[4]=4, Row2[2]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [40]
  • [23,17]
  • [14,9,8]
  • [9,5,4,4]
  • [7,2,3,1,3]
Base
  • 7
  • 2
  • 3
  • 1
  • 3
TopValue
40
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":2,"v":4}
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":0,"v":23}
  • {"r":3,"c":3,"v":4}
  • {"r":1,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [8, _, 18] → [_, _, _, 11] → [1, _, 5, 2, 9]

Show answer

Answer: Row5[2]=1, Row3[2]=13, Row2[1]=21, Row2[2]=31, Row4[2]=6, Row4[1]=2, Row4[3]=7, Row1[1]=52

SubType
number-pyramid
Difficulty
hard
Levels
  • [52]
  • [21,31]
  • [8,13,18]
  • [2,6,7,11]
  • [1,1,5,2,9]
Base
  • 1
  • 1
  • 5
  • 2
  • 9
TopValue
52
HiddenCells
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":1,"v":13}
  • {"r":1,"c":0,"v":21}
  • {"r":1,"c":1,"v":31}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":2,"v":7}
  • {"r":0,"c":0,"v":52}