hard Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [124] → [_, _] → [22, _, 38] → [_, _, 20, _] → [8, _, _, 10, 8]

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Answer: Row2[2]=70, Row5[2]=2, Row3[2]=32, Row4[4]=18, Row5[3]=10, Row4[1]=10, Row4[2]=12, Row2[1]=54

SubType
number-pyramid
Difficulty
hard
Levels
  • [124]
  • [54,70]
  • [22,32,38]
  • [10,12,20,18]
  • [8,2,10,10,8]
Base
  • 8
  • 2
  • 10
  • 10
  • 8
TopValue
124
HiddenCells
  • {"r":1,"c":1,"v":70}
  • {"r":4,"c":1,"v":2}
  • {"r":2,"c":1,"v":32}
  • {"r":3,"c":3,"v":18}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":1,"v":12}
  • {"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): [_] → [_, 56] → [20, _, _] → [12, _, _, 18] → [10, _, _, 9, 9]

Show answer

Answer: Row2[1]=43, Row3[2]=23, Row5[2]=2, Row3[3]=33, Row4[2]=8, Row5[3]=6, Row4[3]=15, Row1[1]=99

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [43,56]
  • [20,23,33]
  • [12,8,15,18]
  • [10,2,6,9,9]
Base
  • 10
  • 2
  • 6
  • 9
  • 9
TopValue
99
HiddenCells
  • {"r":1,"c":0,"v":43}
  • {"r":2,"c":1,"v":23}
  • {"r":4,"c":1,"v":2}
  • {"r":2,"c":2,"v":33}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":2,"v":15}
  • {"r":0,"c":0,"v":99}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, 47] → [_, _, _] → [9, _, 12, _] → [6, _, 5, _, 8]

Show answer

Answer: Row3[2]=20, Row4[2]=8, Row3[3]=27, Row5[2]=3, Row3[1]=17, Row4[4]=15, Row5[4]=7, Row1[1]=84

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [37,47]
  • [17,20,27]
  • [9,8,12,15]
  • [6,3,5,7,8]
Base
  • 6
  • 3
  • 5
  • 7
  • 8
TopValue
84
HiddenCells
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":2,"v":27}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":3,"v":7}
  • {"r":0,"c":0,"v":84}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [111] → [52, _] → [25, 27, 32] → [12, _, _, _] → [_, _, _, 8, _]

Show answer

Answer: Row4[4]=18, Row5[2]=7, Row5[3]=6, Row4[2]=13, Row2[2]=59, Row5[5]=10, Row4[3]=14, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [52,59]
  • [25,27,32]
  • [12,13,14,18]
  • [5,7,6,8,10]
Base
  • 5
  • 7
  • 6
  • 8
  • 10
TopValue
111
HiddenCells
  • {"r":3,"c":3,"v":18}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":1,"v":13}
  • {"r":1,"c":1,"v":59}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":0,"v":5}