hard Set 63 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 14, _] → [5, 7, 7, _] → [1, 4, 3, _, _]

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Answer: Row4[4]=10, Row2[2]=31, Row5[4]=4, Row5[5]=6, Row3[3]=17, Row1[1]=57, Row2[1]=26, Row3[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [57]
  • [26,31]
  • [12,14,17]
  • [5,7,7,10]
  • [1,4,3,4,6]
Base
  • 1
  • 4
  • 3
  • 4
  • 6
TopValue
57
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":1,"v":31}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":2,"v":17}
  • {"r":0,"c":0,"v":57}
  • {"r":1,"c":0,"v":26}
  • {"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): [99] → [_, _] → [19, _, _] → [11, _, _, _] → [8, 3, _, 10, 9]

Show answer

Answer: Row5[3]=5, Row4[4]=19, Row2[1]=42, Row4[2]=8, Row4[3]=15, Row3[3]=34, Row2[2]=57, Row3[2]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [42,57]
  • [19,23,34]
  • [11,8,15,19]
  • [8,3,5,10,9]
Base
  • 8
  • 3
  • 5
  • 10
  • 9
TopValue
99
HiddenCells
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":3,"v":19}
  • {"r":1,"c":0,"v":42}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":2,"v":15}
  • {"r":2,"c":2,"v":34}
  • {"r":1,"c":1,"v":57}
  • {"r":2,"c":1,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [102] → [_, _] → [26, _, 20] → [11, _, 13, _] → [_, 7, _, 5, _]

Show answer

Answer: Row5[1]=4, Row3[2]=28, Row5[3]=8, Row5[5]=2, Row4[2]=15, Row2[2]=48, Row4[4]=7, Row2[1]=54

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [54,48]
  • [26,28,20]
  • [11,15,13,7]
  • [4,7,8,5,2]
Base
  • 4
  • 7
  • 8
  • 5
  • 2
TopValue
102
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":1,"v":28}
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":1,"v":15}
  • {"r":1,"c":1,"v":48}
  • {"r":3,"c":3,"v":7}
  • {"r":1,"c":0,"v":54}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, _] → [25, 24, _] → [11, 14, 10, _] → [_, _, 6, _, _]

Show answer

Answer: Row5[4]=4, Row1[1]=95, Row4[4]=12, Row3[3]=22, Row5[5]=8, Row2[2]=46, Row5[1]=3, Row5[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [49,46]
  • [25,24,22]
  • [11,14,10,12]
  • [3,8,6,4,8]
Base
  • 3
  • 8
  • 6
  • 4
  • 8
TopValue
95
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":0,"c":0,"v":95}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":2,"v":22}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":1,"v":46}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":1,"v":8}