hard Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, _] → [18, 31, 37] → [6, _, _, _] → [4, 2, _, _, _]

Show answer

Answer: Row1[1]=117, Row4[2]=12, Row5[4]=9, Row5[3]=10, Row2[2]=68, Row4[3]=19, Row5[5]=9, Row4[4]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [49,68]
  • [18,31,37]
  • [6,12,19,18]
  • [4,2,10,9,9]
Base
  • 4
  • 2
  • 10
  • 9
  • 9
TopValue
117
HiddenCells
  • {"r":0,"c":0,"v":117}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":2,"v":10}
  • {"r":1,"c":1,"v":68}
  • {"r":3,"c":2,"v":19}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":3,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, _] → [_, 11, 16] → [7, _, 5, _] → [3, _, _, _, 8]

Show answer

Answer: Row4[4]=11, Row4[2]=6, Row5[4]=3, Row3[1]=13, Row5[2]=4, Row2[2]=27, Row5[3]=2, Row1[1]=51

SubType
number-pyramid
Difficulty
hard
Levels
  • [51]
  • [24,27]
  • [13,11,16]
  • [7,6,5,11]
  • [3,4,2,3,8]
Base
  • 3
  • 4
  • 2
  • 3
  • 8
TopValue
51
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":3,"c":1,"v":6}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":1,"v":4}
  • {"r":1,"c":1,"v":27}
  • {"r":4,"c":2,"v":2}
  • {"r":0,"c":0,"v":51}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [_, _] → [26, 19, _] → [_, _, 7, _] → [4, 10, _, 5, _]

Show answer

Answer: Row5[3]=2, Row2[1]=45, Row5[5]=3, Row4[4]=8, Row2[2]=34, Row3[3]=15, Row4[2]=12, Row4[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [45,34]
  • [26,19,15]
  • [14,12,7,8]
  • [4,10,2,5,3]
Base
  • 4
  • 10
  • 2
  • 5
  • 3
TopValue
79
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":1,"c":0,"v":45}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":1,"v":34}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [110] → [_, _] → [30, 30, _] → [_, 17, 13, _] → [4, _, _, _, 2]

Show answer

Answer: Row3[3]=20, Row5[2]=9, Row4[4]=7, Row5[3]=8, Row5[4]=5, Row2[2]=50, Row4[1]=13, Row2[1]=60

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [60,50]
  • [30,30,20]
  • [13,17,13,7]
  • [4,9,8,5,2]
Base
  • 4
  • 9
  • 8
  • 5
  • 2
TopValue
110
HiddenCells
  • {"r":2,"c":2,"v":20}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":3,"v":5}
  • {"r":1,"c":1,"v":50}
  • {"r":3,"c":0,"v":13}
  • {"r":1,"c":0,"v":60}