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): [36] → [_, _] → [_, 9, _] → [_, 6, 3, _] → [2, 4, 2, _, _]

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Answer: Row2[1]=21, Row2[2]=15, Row5[5]=2, Row5[4]=1, Row4[4]=3, Row3[3]=6, Row4[1]=6, Row3[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [36]
  • [21,15]
  • [12,9,6]
  • [6,6,3,3]
  • [2,4,2,1,2]
Base
  • 2
  • 4
  • 2
  • 1
  • 2
TopValue
36
HiddenCells
  • {"r":1,"c":0,"v":21}
  • {"r":1,"c":1,"v":15}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":2,"v":6}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 26] → [15, 12, _] → [_, _, _, 7] → [_, 4, _, 6, 1]

Show answer

Answer: Row4[1]=10, Row3[3]=14, Row1[1]=53, Row4[2]=5, Row2[1]=27, Row5[1]=6, Row4[3]=7, Row5[3]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [53]
  • [27,26]
  • [15,12,14]
  • [10,5,7,7]
  • [6,4,1,6,1]
Base
  • 6
  • 4
  • 1
  • 6
  • 1
TopValue
53
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":2,"v":14}
  • {"r":0,"c":0,"v":53}
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":0,"v":27}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [109] → [_, 55] → [_, 26, _] → [_, _, 13, _] → [8, 7, _, 7, _]

Show answer

Answer: Row4[4]=16, Row3[1]=28, Row5[3]=6, Row2[1]=54, Row4[1]=15, Row4[2]=13, Row5[5]=9, Row3[3]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [54,55]
  • [28,26,29]
  • [15,13,13,16]
  • [8,7,6,7,9]
Base
  • 8
  • 7
  • 6
  • 7
  • 9
TopValue
109
HiddenCells
  • {"r":3,"c":3,"v":16}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":2,"v":6}
  • {"r":1,"c":0,"v":54}
  • {"r":3,"c":0,"v":15}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":2,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, 50] → [_, 20, _] → [_, 7, _, _] → [_, 4, 3, _, 7]

Show answer

Answer: Row4[4]=17, Row3[3]=30, Row4[3]=13, Row3[1]=17, Row4[1]=10, Row5[4]=10, Row5[1]=6, Row1[1]=87

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [37,50]
  • [17,20,30]
  • [10,7,13,17]
  • [6,4,3,10,7]
Base
  • 6
  • 4
  • 3
  • 10
  • 7
TopValue
87
HiddenCells
  • {"r":3,"c":3,"v":17}
  • {"r":2,"c":2,"v":30}
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":0,"v":6}
  • {"r":0,"c":0,"v":87}