hard Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 18, 17] → [13, _, 5, 12] → [_, 10, _, _, 10]

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Answer: Row4[2]=13, Row1[1]=79, Row2[1]=44, Row3[1]=26, Row5[3]=3, Row5[1]=3, Row5[4]=2, Row2[2]=35

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [44,35]
  • [26,18,17]
  • [13,13,5,12]
  • [3,10,3,2,10]
Base
  • 3
  • 10
  • 3
  • 2
  • 10
TopValue
79
HiddenCells
  • {"r":3,"c":1,"v":13}
  • {"r":0,"c":0,"v":79}
  • {"r":1,"c":0,"v":44}
  • {"r":2,"c":0,"v":26}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":3,"v":2}
  • {"r":1,"c":1,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 61] → [_, 30, 31] → [_, _, 19, 12] → [_, _, 9, 10, _]

Show answer

Answer: Row2[1]=44, Row4[2]=11, Row3[1]=14, Row5[1]=1, Row5[5]=2, Row1[1]=105, Row4[1]=3, Row5[2]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [44,61]
  • [14,30,31]
  • [3,11,19,12]
  • [1,2,9,10,2]
Base
  • 1
  • 2
  • 9
  • 10
  • 2
TopValue
105
HiddenCells
  • {"r":1,"c":0,"v":44}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":0,"v":14}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":4,"v":2}
  • {"r":0,"c":0,"v":105}
  • {"r":3,"c":0,"v":3}
  • {"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): [_] → [31, _] → [_, 15, 24] → [_, _, 10, _] → [10, 1, _, 6, _]

Show answer

Answer: Row1[1]=70, Row2[2]=39, Row4[2]=5, Row3[1]=16, Row5[3]=4, Row4[1]=11, Row4[4]=14, Row5[5]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [31,39]
  • [16,15,24]
  • [11,5,10,14]
  • [10,1,4,6,8]
Base
  • 10
  • 1
  • 4
  • 6
  • 8
TopValue
70
HiddenCells
  • {"r":0,"c":0,"v":70}
  • {"r":1,"c":1,"v":39}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":4,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [45, 36] → [25, 20, _] → [_, _, 7, _] → [2, _, 3, _, _]

Show answer

Answer: Row4[2]=13, Row3[3]=16, Row4[4]=9, Row5[4]=4, Row5[2]=10, Row4[1]=12, Row1[1]=81, Row5[5]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [45,36]
  • [25,20,16]
  • [12,13,7,9]
  • [2,10,3,4,5]
Base
  • 2
  • 10
  • 3
  • 4
  • 5
TopValue
81
HiddenCells
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":0,"v":12}
  • {"r":0,"c":0,"v":81}
  • {"r":4,"c":4,"v":5}