hard Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [57] → [_, _] → [_, _, 16] → [12, _, _, _] → [_, 6, 1, 3, 9]

Show answer

Answer: Row2[2]=27, Row4[3]=4, Row4[2]=7, Row2[1]=30, Row3[2]=11, Row4[4]=12, Row3[1]=19, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [57]
  • [30,27]
  • [19,11,16]
  • [12,7,4,12]
  • [6,6,1,3,9]
Base
  • 6
  • 6
  • 1
  • 3
  • 9
TopValue
57
HiddenCells
  • {"r":1,"c":1,"v":27}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":0,"v":30}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [28, 29, 23] → [13, 15, 14, _] → [_, _, 8, _, _]

Show answer

Answer: Row4[4]=9, Row2[1]=57, Row1[1]=109, Row5[4]=6, Row5[2]=7, Row2[2]=52, Row5[1]=6, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [57,52]
  • [28,29,23]
  • [13,15,14,9]
  • [6,7,8,6,3]
Base
  • 6
  • 7
  • 8
  • 6
  • 3
TopValue
109
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":0,"v":57}
  • {"r":0,"c":0,"v":109}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":1,"v":52}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 49] → [_, 31, _] → [_, 20, 11, _] → [7, _, _, 1, 6]

Show answer

Answer: Row3[1]=37, Row3[3]=18, Row2[1]=68, Row4[4]=7, Row5[3]=10, Row1[1]=117, Row4[1]=17, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [68,49]
  • [37,31,18]
  • [17,20,11,7]
  • [7,10,10,1,6]
Base
  • 7
  • 10
  • 10
  • 1
  • 6
TopValue
117
HiddenCells
  • {"r":2,"c":0,"v":37}
  • {"r":2,"c":2,"v":18}
  • {"r":1,"c":0,"v":68}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":2,"v":10}
  • {"r":0,"c":0,"v":117}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 38] → [_, _, 15] → [_, _, _, 4] → [10, 4, 8, _, 1]

Show answer

Answer: Row3[2]=23, Row1[1]=87, Row4[2]=12, Row4[1]=14, Row2[1]=49, Row3[1]=26, Row4[3]=11, Row5[4]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [49,38]
  • [26,23,15]
  • [14,12,11,4]
  • [10,4,8,3,1]
Base
  • 10
  • 4
  • 8
  • 3
  • 1
TopValue
87
HiddenCells
  • {"r":2,"c":1,"v":23}
  • {"r":0,"c":0,"v":87}
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":0,"v":14}
  • {"r":1,"c":0,"v":49}
  • {"r":2,"c":0,"v":26}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":3,"v":3}