hard Set 67 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, 72] → [17, _, 40] → [_, 12, _, _] → [_, _, 10, 10, _]

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Answer: Row4[4]=20, Row5[5]=10, Row3[2]=32, Row5[1]=3, Row4[3]=20, Row4[1]=5, Row1[1]=121, Row5[2]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [49,72]
  • [17,32,40]
  • [5,12,20,20]
  • [3,2,10,10,10]
Base
  • 3
  • 2
  • 10
  • 10
  • 10
TopValue
121
HiddenCells
  • {"r":3,"c":3,"v":20}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":1,"v":32}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":2,"v":20}
  • {"r":3,"c":0,"v":5}
  • {"r":0,"c":0,"v":121}
  • {"r":4,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [93] → [_, _] → [_, 25, _] → [2, 10, 15, 16] → [_, _, _, _, 10]

Show answer

Answer: Row3[1]=12, Row5[2]=1, Row5[1]=1, Row5[4]=6, Row2[2]=56, Row2[1]=37, Row3[3]=31, Row5[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [93]
  • [37,56]
  • [12,25,31]
  • [2,10,15,16]
  • [1,1,9,6,10]
Base
  • 1
  • 1
  • 9
  • 6
  • 10
TopValue
93
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":3,"v":6}
  • {"r":1,"c":1,"v":56}
  • {"r":1,"c":0,"v":37}
  • {"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): [_] → [_, _] → [_, 21, 31] → [12, 9, 12, 19] → [_, _, 2, _, _]

Show answer

Answer: Row5[2]=7, Row3[1]=21, Row2[1]=42, Row5[5]=9, Row2[2]=52, Row5[4]=10, Row1[1]=94, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [42,52]
  • [21,21,31]
  • [12,9,12,19]
  • [5,7,2,10,9]
Base
  • 5
  • 7
  • 2
  • 10
  • 9
TopValue
94
HiddenCells
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":0,"v":21}
  • {"r":1,"c":0,"v":42}
  • {"r":4,"c":4,"v":9}
  • {"r":1,"c":1,"v":52}
  • {"r":4,"c":3,"v":10}
  • {"r":0,"c":0,"v":94}
  • {"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): [48] → [_, 24] → [_, _, 14] → [9, 5, _, _] → [_, 2, _, _, 7]

Show answer

Answer: Row4[4]=9, Row3[2]=10, Row4[3]=5, Row3[1]=14, Row2[1]=24, Row5[4]=2, Row5[3]=3, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [48]
  • [24,24]
  • [14,10,14]
  • [9,5,5,9]
  • [7,2,3,2,7]
Base
  • 7
  • 2
  • 3
  • 2
  • 7
TopValue
48
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":0,"v":14}
  • {"r":1,"c":0,"v":24}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":0,"v":7}