hard Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [53, _] → [30, _, _] → [_, 13, 10, 8] → [_, 9, _, _, 2]

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Answer: Row5[3]=4, Row4[1]=17, Row1[1]=94, Row5[1]=8, Row3[2]=23, Row3[3]=18, Row5[4]=6, Row2[2]=41

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [53,41]
  • [30,23,18]
  • [17,13,10,8]
  • [8,9,4,6,2]
Base
  • 8
  • 9
  • 4
  • 6
  • 2
TopValue
94
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":0,"v":17}
  • {"r":0,"c":0,"v":94}
  • {"r":4,"c":0,"v":8}
  • {"r":2,"c":1,"v":23}
  • {"r":2,"c":2,"v":18}
  • {"r":4,"c":3,"v":6}
  • {"r":1,"c":1,"v":41}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [93] → [41, _] → [20, _, 31] → [_, _, _, _] → [5, 6, 3, _, _]

Show answer

Answer: Row4[2]=9, Row5[5]=10, Row2[2]=52, Row5[4]=9, Row3[2]=21, Row4[3]=12, Row4[4]=19, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [93]
  • [41,52]
  • [20,21,31]
  • [11,9,12,19]
  • [5,6,3,9,10]
Base
  • 5
  • 6
  • 3
  • 9
  • 10
TopValue
93
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":1,"v":52}
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":1,"v":21}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":3,"v":19}
  • {"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): [124] → [_, 62] → [_, 34, 28] → [_, _, _, _] → [_, 7, _, 9, 1]

Show answer

Answer: Row4[3]=18, Row4[2]=16, Row2[1]=62, Row4[4]=10, Row4[1]=12, Row5[3]=9, Row3[1]=28, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [124]
  • [62,62]
  • [28,34,28]
  • [12,16,18,10]
  • [5,7,9,9,1]
Base
  • 5
  • 7
  • 9
  • 9
  • 1
TopValue
124
HiddenCells
  • {"r":3,"c":2,"v":18}
  • {"r":3,"c":1,"v":16}
  • {"r":1,"c":0,"v":62}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [52, 45] → [_, _, 21] → [_, _, _, 12] → [4, _, 6, _, 9]

Show answer

Answer: Row1[1]=97, Row3[1]=28, Row4[2]=15, Row5[2]=9, Row5[4]=3, Row4[1]=13, Row4[3]=9, Row3[2]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [52,45]
  • [28,24,21]
  • [13,15,9,12]
  • [4,9,6,3,9]
Base
  • 4
  • 9
  • 6
  • 3
  • 9
TopValue
97
HiddenCells
  • {"r":0,"c":0,"v":97}
  • {"r":2,"c":0,"v":28}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":1,"v":24}