hard Set 69 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [21, _, 21] → [6, 15, 13, _] → [1, _, 10, _, _]

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Answer: Row2[2]=49, Row5[4]=3, Row2[1]=49, Row5[5]=5, Row5[2]=5, Row3[2]=28, Row4[4]=8, Row1[1]=98

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [49,49]
  • [21,28,21]
  • [6,15,13,8]
  • [1,5,10,3,5]
Base
  • 1
  • 5
  • 10
  • 3
  • 5
TopValue
98
HiddenCells
  • {"r":1,"c":1,"v":49}
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":0,"v":49}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":1,"v":28}
  • {"r":3,"c":3,"v":8}
  • {"r":0,"c":0,"v":98}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [26, 32, 30] → [_, 15, _, 13] → [_, _, 7, _, 3]

Show answer

Answer: Row5[2]=8, Row5[4]=10, Row4[1]=11, Row4[3]=17, Row5[1]=3, Row1[1]=120, Row2[1]=58, Row2[2]=62

SubType
number-pyramid
Difficulty
hard
Levels
  • [120]
  • [58,62]
  • [26,32,30]
  • [11,15,17,13]
  • [3,8,7,10,3]
Base
  • 3
  • 8
  • 7
  • 10
  • 3
TopValue
120
HiddenCells
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":2,"v":17}
  • {"r":4,"c":0,"v":3}
  • {"r":0,"c":0,"v":120}
  • {"r":1,"c":0,"v":58}
  • {"r":1,"c":1,"v":62}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [_, 52] → [_, _, _] → [10, _, _, _] → [6, 4, _, 10, 6]

Show answer

Answer: Row3[3]=30, Row3[1]=18, Row4[2]=8, Row3[2]=22, Row4[4]=16, Row2[1]=40, Row5[3]=4, Row4[3]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [40,52]
  • [18,22,30]
  • [10,8,14,16]
  • [6,4,4,10,6]
Base
  • 6
  • 4
  • 4
  • 10
  • 6
TopValue
92
HiddenCells
  • {"r":2,"c":2,"v":30}
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":1,"v":22}
  • {"r":3,"c":3,"v":16}
  • {"r":1,"c":0,"v":40}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [_, 34] → [_, _, 18] → [_, _, 5, 13] → [_, 10, 1, _, _]

Show answer

Answer: Row2[1]=47, Row5[4]=4, Row5[5]=9, Row4[1]=20, Row3[2]=16, Row4[2]=11, Row3[1]=31, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [47,34]
  • [31,16,18]
  • [20,11,5,13]
  • [10,10,1,4,9]
Base
  • 10
  • 10
  • 1
  • 4
  • 9
TopValue
81
HiddenCells
  • {"r":1,"c":0,"v":47}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":0,"v":20}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":0,"v":31}
  • {"r":4,"c":0,"v":10}