hard Set 48 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [129] → [62, _] → [_, _, _] → [15, _, 17, _] → [7, 8, _, _, 8]

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Answer: Row5[4]=10, Row4[4]=18, Row3[3]=35, Row2[2]=67, Row4[2]=15, Row3[2]=32, Row3[1]=30, Row5[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [129]
  • [62,67]
  • [30,32,35]
  • [15,15,17,18]
  • [7,8,7,10,8]
Base
  • 7
  • 8
  • 7
  • 10
  • 8
TopValue
129
HiddenCells
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":3,"v":18}
  • {"r":2,"c":2,"v":35}
  • {"r":1,"c":1,"v":67}
  • {"r":3,"c":1,"v":15}
  • {"r":2,"c":1,"v":32}
  • {"r":2,"c":0,"v":30}
  • {"r":4,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [87] → [42, 45] → [_, 22, _] → [11, _, 13, _] → [_, 1, _, _, _]

Show answer

Answer: Row5[3]=8, Row3[3]=23, Row5[4]=5, Row4[2]=9, Row3[1]=20, Row5[5]=5, Row4[4]=10, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [42,45]
  • [20,22,23]
  • [11,9,13,10]
  • [10,1,8,5,5]
Base
  • 10
  • 1
  • 8
  • 5
  • 5
TopValue
87
HiddenCells
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":2,"v":23}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [31, 15] → [22, 9, _] → [_, 7, _, _] → [_, 6, _, _, _]

Show answer

Answer: Row5[1]=9, Row5[3]=1, Row3[3]=6, Row5[4]=1, Row4[3]=2, Row4[1]=15, Row4[4]=4, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [46]
  • [31,15]
  • [22,9,6]
  • [15,7,2,4]
  • [9,6,1,1,3]
Base
  • 9
  • 6
  • 1
  • 1
  • 3
TopValue
46
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":2,"v":6}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":0,"v":15}
  • {"r":3,"c":3,"v":4}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 52] → [_, _, _] → [4, _, 15, _] → [3, 1, 5, _, 6]

Show answer

Answer: Row2[1]=31, Row3[1]=10, Row3[2]=21, Row3[3]=31, Row4[2]=6, Row5[4]=10, Row1[1]=83, Row4[4]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [31,52]
  • [10,21,31]
  • [4,6,15,16]
  • [3,1,5,10,6]
Base
  • 3
  • 1
  • 5
  • 10
  • 6
TopValue
83
HiddenCells
  • {"r":1,"c":0,"v":31}
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":1,"v":21}
  • {"r":2,"c":2,"v":31}
  • {"r":3,"c":1,"v":6}
  • {"r":4,"c":3,"v":10}
  • {"r":0,"c":0,"v":83}
  • {"r":3,"c":3,"v":16}