hard Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 23] → [_, _, 12] → [4, _, 7, 5] → [_, 1, 3, _, _]

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Answer: Row5[1]=3, Row1[1]=42, Row3[2]=11, Row3[1]=8, Row5[5]=1, Row5[4]=4, Row4[2]=4, Row2[1]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [42]
  • [19,23]
  • [8,11,12]
  • [4,4,7,5]
  • [3,1,3,4,1]
Base
  • 3
  • 1
  • 3
  • 4
  • 1
TopValue
42
HiddenCells
  • {"r":4,"c":0,"v":3}
  • {"r":0,"c":0,"v":42}
  • {"r":2,"c":1,"v":11}
  • {"r":2,"c":0,"v":8}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [78] → [_, _] → [15, _, 23] → [_, _, 13, _] → [7, 1, _, 7, _]

Show answer

Answer: Row2[1]=35, Row4[2]=7, Row4[4]=10, Row2[2]=43, Row5[5]=3, Row3[2]=20, Row4[1]=8, Row5[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [35,43]
  • [15,20,23]
  • [8,7,13,10]
  • [7,1,6,7,3]
Base
  • 7
  • 1
  • 6
  • 7
  • 3
TopValue
78
HiddenCells
  • {"r":1,"c":0,"v":35}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":1,"v":43}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [_, 11, _] → [_, _, 3, 3] → [5, 7, 1, _, _]

Show answer

Answer: Row1[1]=48, Row5[5]=1, Row3[1]=20, Row4[1]=12, Row3[3]=6, Row2[2]=17, Row5[4]=2, Row4[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [48]
  • [31,17]
  • [20,11,6]
  • [12,8,3,3]
  • [5,7,1,2,1]
Base
  • 5
  • 7
  • 1
  • 2
  • 1
TopValue
48
HiddenCells
  • {"r":0,"c":0,"v":48}
  • {"r":4,"c":4,"v":1}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":2,"v":6}
  • {"r":1,"c":1,"v":17}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [58, _] → [24, 34, 33] → [_, 14, _, 13] → [_, _, _, 10, _]

Show answer

Answer: Row4[3]=20, Row5[1]=6, Row2[2]=67, Row1[1]=125, Row5[3]=10, Row5[5]=3, Row4[1]=10, Row5[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [125]
  • [58,67]
  • [24,34,33]
  • [10,14,20,13]
  • [6,4,10,10,3]
Base
  • 6
  • 4
  • 10
  • 10
  • 3
TopValue
125
HiddenCells
  • {"r":3,"c":2,"v":20}
  • {"r":4,"c":0,"v":6}
  • {"r":1,"c":1,"v":67}
  • {"r":0,"c":0,"v":125}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":1,"v":4}