hard Set 45 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 53] → [30, _, 26] → [17, 13, _, 12] → [_, _, 5, _, _]

Show answer

Answer: Row4[3]=14, Row1[1]=110, Row2[1]=57, Row5[1]=9, Row5[5]=3, Row3[2]=27, Row5[2]=8, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [57,53]
  • [30,27,26]
  • [17,13,14,12]
  • [9,8,5,9,3]
Base
  • 9
  • 8
  • 5
  • 9
  • 3
TopValue
110
HiddenCells
  • {"r":3,"c":2,"v":14}
  • {"r":0,"c":0,"v":110}
  • {"r":1,"c":0,"v":57}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":1,"v":27}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, _] → [11, _, _] → [4, _, _, 9] → [1, 3, 4, _, _]

Show answer

Answer: Row4[2]=7, Row2[2]=26, Row5[4]=1, Row3[2]=12, Row4[3]=5, Row5[5]=8, Row3[3]=14, Row1[1]=49

SubType
number-pyramid
Difficulty
hard
Levels
  • [49]
  • [23,26]
  • [11,12,14]
  • [4,7,5,9]
  • [1,3,4,1,8]
Base
  • 1
  • 3
  • 4
  • 1
  • 8
TopValue
49
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":1,"v":26}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":2,"v":14}
  • {"r":0,"c":0,"v":49}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 52] → [32, _, _] → [_, _, 11, 17] → [10, 9, 4, _, _]

Show answer

Answer: Row4[1]=19, Row5[4]=7, Row1[1]=108, Row4[2]=13, Row3[2]=24, Row5[5]=10, Row3[3]=28, Row2[1]=56

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [56,52]
  • [32,24,28]
  • [19,13,11,17]
  • [10,9,4,7,10]
Base
  • 10
  • 9
  • 4
  • 7
  • 10
TopValue
108
HiddenCells
  • {"r":3,"c":0,"v":19}
  • {"r":4,"c":3,"v":7}
  • {"r":0,"c":0,"v":108}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":1,"v":24}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":2,"v":28}
  • {"r":1,"c":0,"v":56}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [_, 14, _] → [9, 5, 9, 8] → [_, _, _, _, 2]

Show answer

Answer: Row5[3]=3, Row3[3]=17, Row3[1]=14, Row2[1]=28, Row5[2]=2, Row1[1]=59, Row5[4]=6, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [59]
  • [28,31]
  • [14,14,17]
  • [9,5,9,8]
  • [7,2,3,6,2]
Base
  • 7
  • 2
  • 3
  • 6
  • 2
TopValue
59
HiddenCells
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":2,"v":17}
  • {"r":2,"c":0,"v":14}
  • {"r":1,"c":0,"v":28}
  • {"r":4,"c":1,"v":2}
  • {"r":0,"c":0,"v":59}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":0,"v":7}