hard Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 54] → [22, 22, 32] → [_, 9, 13, _] → [_, _, _, 9, _]

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Answer: Row5[1]=8, Row5[5]=10, Row4[1]=13, Row2[1]=44, Row4[4]=19, Row5[2]=5, Row1[1]=98, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [44,54]
  • [22,22,32]
  • [13,9,13,19]
  • [8,5,4,9,10]
Base
  • 8
  • 5
  • 4
  • 9
  • 10
TopValue
98
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":0,"v":13}
  • {"r":1,"c":0,"v":44}
  • {"r":3,"c":3,"v":19}
  • {"r":4,"c":1,"v":5}
  • {"r":0,"c":0,"v":98}
  • {"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): [98] → [_, 46] → [_, _, _] → [11, 15, _, 9] → [_, _, 7, _, 5]

Show answer

Answer: Row5[4]=4, Row5[2]=8, Row4[3]=11, Row3[1]=26, Row2[1]=52, Row3[2]=26, Row5[1]=3, Row3[3]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [52,46]
  • [26,26,20]
  • [11,15,11,9]
  • [3,8,7,4,5]
Base
  • 3
  • 8
  • 7
  • 4
  • 5
TopValue
98
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":2,"v":11}
  • {"r":2,"c":0,"v":26}
  • {"r":1,"c":0,"v":52}
  • {"r":2,"c":1,"v":26}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":2,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 21] → [15, _, _] → [10, 5, 5, _] → [_, 4, _, 4, _]

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Answer: Row5[3]=1, Row3[3]=11, Row2[1]=25, Row3[2]=10, Row1[1]=46, Row5[5]=2, Row4[4]=6, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [46]
  • [25,21]
  • [15,10,11]
  • [10,5,5,6]
  • [6,4,1,4,2]
Base
  • 6
  • 4
  • 1
  • 4
  • 2
TopValue
46
HiddenCells
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":2,"v":11}
  • {"r":1,"c":0,"v":25}
  • {"r":2,"c":1,"v":10}
  • {"r":0,"c":0,"v":46}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [41, _] → [27, 14, _] → [_, 10, _, 7] → [9, _, _, _, _]

Show answer

Answer: Row5[2]=8, Row5[3]=2, Row2[2]=25, Row4[3]=4, Row5[4]=2, Row5[5]=5, Row3[3]=11, Row4[1]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [41,25]
  • [27,14,11]
  • [17,10,4,7]
  • [9,8,2,2,5]
Base
  • 9
  • 8
  • 2
  • 2
  • 5
TopValue
66
HiddenCells
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":2,"v":2}
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":2,"v":4}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":0,"v":17}