hard Set 58 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [109] → [49, 60] → [20, _, _] → [8, _, _, _] → [5, 3, _, _, _]

Show answer

Answer: Row3[2]=29, Row4[4]=14, Row5[4]=8, Row4[3]=17, Row4[2]=12, Row5[5]=6, Row3[3]=31, Row5[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [49,60]
  • [20,29,31]
  • [8,12,17,14]
  • [5,3,9,8,6]
Base
  • 5
  • 3
  • 9
  • 8
  • 6
TopValue
109
HiddenCells
  • {"r":2,"c":1,"v":29}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":2,"v":17}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":2,"v":31}
  • {"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): [124] → [59, _] → [27, _, 33] → [13, 14, _, _] → [_, _, 8, _, _]

Show answer

Answer: Row4[3]=18, Row3[2]=32, Row2[2]=65, Row5[4]=10, Row5[2]=6, Row5[1]=7, Row5[5]=5, Row4[4]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [124]
  • [59,65]
  • [27,32,33]
  • [13,14,18,15]
  • [7,6,8,10,5]
Base
  • 7
  • 6
  • 8
  • 10
  • 5
TopValue
124
HiddenCells
  • {"r":3,"c":2,"v":18}
  • {"r":2,"c":1,"v":32}
  • {"r":1,"c":1,"v":65}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":3,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [25, _, _] → [12, _, 16, 18] → [6, _, 7, 9, _]

Show answer

Answer: Row5[2]=6, Row2[2]=63, Row3[2]=29, Row1[1]=117, Row4[2]=13, Row3[3]=34, Row5[5]=9, Row2[1]=54

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [54,63]
  • [25,29,34]
  • [12,13,16,18]
  • [6,6,7,9,9]
Base
  • 6
  • 6
  • 7
  • 9
  • 9
TopValue
117
HiddenCells
  • {"r":4,"c":1,"v":6}
  • {"r":1,"c":1,"v":63}
  • {"r":2,"c":1,"v":29}
  • {"r":0,"c":0,"v":117}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":2,"v":34}
  • {"r":4,"c":4,"v":9}
  • {"r":1,"c":0,"v":54}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [76, _] → [39, _, 29] → [19, _, _, 12] → [_, 10, _, _, 5]

Show answer

Answer: Row4[2]=20, Row5[3]=10, Row2[2]=66, Row5[4]=7, Row3[2]=37, Row5[1]=9, Row4[3]=17, Row1[1]=142

SubType
number-pyramid
Difficulty
hard
Levels
  • [142]
  • [76,66]
  • [39,37,29]
  • [19,20,17,12]
  • [9,10,10,7,5]
Base
  • 9
  • 10
  • 10
  • 7
  • 5
TopValue
142
HiddenCells
  • {"r":3,"c":1,"v":20}
  • {"r":4,"c":2,"v":10}
  • {"r":1,"c":1,"v":66}
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":1,"v":37}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":2,"v":17}
  • {"r":0,"c":0,"v":142}