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): [_] → [_, _] → [31, _, 20] → [17, _, 10, 10] → [_, 7, _, _, 7]

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Answer: Row1[1]=99, Row5[1]=10, Row5[3]=7, Row3[2]=24, Row5[4]=3, Row2[2]=44, Row4[2]=14, Row2[1]=55

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [55,44]
  • [31,24,20]
  • [17,14,10,10]
  • [10,7,7,3,7]
Base
  • 10
  • 7
  • 7
  • 3
  • 7
TopValue
99
HiddenCells
  • {"r":0,"c":0,"v":99}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":1,"v":24}
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":1,"v":44}
  • {"r":3,"c":1,"v":14}
  • {"r":1,"c":0,"v":55}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [94] → [48, _] → [21, _, 19] → [_, _, _, _] → [1, 6, 8, _, _]

Show answer

Answer: Row5[5]=1, Row4[2]=14, Row4[3]=13, Row5[4]=5, Row3[2]=27, Row4[1]=7, Row2[2]=46, Row4[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [48,46]
  • [21,27,19]
  • [7,14,13,6]
  • [1,6,8,5,1]
Base
  • 1
  • 6
  • 8
  • 5
  • 1
TopValue
94
HiddenCells
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":1,"v":14}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":1,"v":27}
  • {"r":3,"c":0,"v":7}
  • {"r":1,"c":1,"v":46}
  • {"r":3,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, _] → [30, 19, _] → [16, _, _, 6] → [_, 10, _, 1, _]

Show answer

Answer: Row1[1]=79, Row5[5]=5, Row5[3]=4, Row4[3]=5, Row2[2]=30, Row3[3]=11, Row4[2]=14, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [49,30]
  • [30,19,11]
  • [16,14,5,6]
  • [6,10,4,1,5]
Base
  • 6
  • 10
  • 4
  • 1
  • 5
TopValue
79
HiddenCells
  • {"r":0,"c":0,"v":79}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":1,"v":30}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":1,"v":14}
  • {"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): [125] → [_, _] → [_, _, 31] → [_, _, 16, 15] → [4, _, 6, 10, _]

Show answer

Answer: Row5[5]=5, Row4[2]=16, Row2[1]=62, Row3[2]=32, Row5[2]=10, Row3[1]=30, Row2[2]=63, Row4[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [125]
  • [62,63]
  • [30,32,31]
  • [14,16,16,15]
  • [4,10,6,10,5]
Base
  • 4
  • 10
  • 6
  • 10
  • 5
TopValue
125
HiddenCells
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":1,"v":16}
  • {"r":1,"c":0,"v":62}
  • {"r":2,"c":1,"v":32}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":0,"v":30}
  • {"r":1,"c":1,"v":63}
  • {"r":3,"c":0,"v":14}