hard Set 34 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [47, 61] → [_, 28, _] → [_, 10, _, _] → [7, _, _, 10, 5]

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Answer: Row4[4]=15, Row4[1]=9, Row3[1]=19, Row5[2]=2, Row3[3]=33, Row1[1]=108, Row4[3]=18, Row5[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [47,61]
  • [19,28,33]
  • [9,10,18,15]
  • [7,2,8,10,5]
Base
  • 7
  • 2
  • 8
  • 10
  • 5
TopValue
108
HiddenCells
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":1,"v":2}
  • {"r":2,"c":2,"v":33}
  • {"r":0,"c":0,"v":108}
  • {"r":3,"c":2,"v":18}
  • {"r":4,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [41, _] → [_, _, 24] → [_, 9, 9, 15] → [_, _, 2, _, 8]

Show answer

Answer: Row1[1]=83, Row3[2]=18, Row2[2]=42, Row5[4]=7, Row5[2]=7, Row5[1]=7, Row4[1]=14, Row3[1]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [41,42]
  • [23,18,24]
  • [14,9,9,15]
  • [7,7,2,7,8]
Base
  • 7
  • 7
  • 2
  • 7
  • 8
TopValue
83
HiddenCells
  • {"r":0,"c":0,"v":83}
  • {"r":2,"c":1,"v":18}
  • {"r":1,"c":1,"v":42}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [_, _] → [23, _, 22] → [_, 9, 8, _] → [_, 5, _, 4, _]

Show answer

Answer: Row4[4]=14, Row3[2]=17, Row5[5]=10, Row5[1]=9, Row2[2]=39, Row2[1]=40, Row4[1]=14, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [40,39]
  • [23,17,22]
  • [14,9,8,14]
  • [9,5,4,4,10]
Base
  • 9
  • 5
  • 4
  • 4
  • 10
TopValue
79
HiddenCells
  • {"r":3,"c":3,"v":14}
  • {"r":2,"c":1,"v":17}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":0,"v":9}
  • {"r":1,"c":1,"v":39}
  • {"r":1,"c":0,"v":40}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 24, _] → [15, 13, 11, _] → [9, _, 7, 4, _]

Show answer

Answer: Row1[1]=98, Row2[2]=46, Row4[4]=11, Row3[1]=28, Row3[3]=22, Row2[1]=52, Row5[2]=6, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [52,46]
  • [28,24,22]
  • [15,13,11,11]
  • [9,6,7,4,7]
Base
  • 9
  • 6
  • 7
  • 4
  • 7
TopValue
98
HiddenCells
  • {"r":0,"c":0,"v":98}
  • {"r":1,"c":1,"v":46}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":0,"v":28}
  • {"r":2,"c":2,"v":22}
  • {"r":1,"c":0,"v":52}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":4,"v":7}