hard Set 73 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [20, _, _] → [12, _, 6, _] → [_, 4, 4, 2, 10]

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Answer: Row1[1]=66, Row4[2]=8, Row5[1]=8, Row4[4]=12, Row2[2]=32, Row3[2]=14, Row3[3]=18, Row2[1]=34

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [34,32]
  • [20,14,18]
  • [12,8,6,12]
  • [8,4,4,2,10]
Base
  • 8
  • 4
  • 4
  • 2
  • 10
TopValue
66
HiddenCells
  • {"r":0,"c":0,"v":66}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":1,"v":32}
  • {"r":2,"c":1,"v":14}
  • {"r":2,"c":2,"v":18}
  • {"r":1,"c":0,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 51] → [_, _, 21] → [16, _, 12, _] → [_, 10, 8, 4, _]

Show answer

Answer: Row5[1]=6, Row4[2]=18, Row4[4]=9, Row5[5]=5, Row2[1]=64, Row3[1]=34, Row3[2]=30, Row1[1]=115

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [64,51]
  • [34,30,21]
  • [16,18,12,9]
  • [6,10,8,4,5]
Base
  • 6
  • 10
  • 8
  • 4
  • 5
TopValue
115
HiddenCells
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":1,"v":18}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":4,"v":5}
  • {"r":1,"c":0,"v":64}
  • {"r":2,"c":0,"v":34}
  • {"r":2,"c":1,"v":30}
  • {"r":0,"c":0,"v":115}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [41, _] → [22, 19, _] → [11, 11, _, 10] → [_, _, _, _, 7]

Show answer

Answer: Row4[3]=8, Row3[3]=18, Row2[2]=37, Row1[1]=78, Row5[1]=5, Row5[3]=5, Row5[4]=3, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [41,37]
  • [22,19,18]
  • [11,11,8,10]
  • [5,6,5,3,7]
Base
  • 5
  • 6
  • 5
  • 3
  • 7
TopValue
78
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":2,"v":18}
  • {"r":1,"c":1,"v":37}
  • {"r":0,"c":0,"v":78}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [41, _] → [_, _, _] → [12, 12, 5, 2] → [4, 8, _, _, _]

Show answer

Answer: Row1[1]=65, Row5[5]=1, Row3[3]=7, Row5[3]=4, Row3[1]=24, Row2[2]=24, Row5[4]=1, Row3[2]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [41,24]
  • [24,17,7]
  • [12,12,5,2]
  • [4,8,4,1,1]
Base
  • 4
  • 8
  • 4
  • 1
  • 1
TopValue
65
HiddenCells
  • {"r":0,"c":0,"v":65}
  • {"r":4,"c":4,"v":1}
  • {"r":2,"c":2,"v":7}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":0,"v":24}
  • {"r":1,"c":1,"v":24}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":1,"v":17}