hard Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [106] → [48, _] → [_, _, 31] → [_, _, 15, _] → [6, _, 9, _, 10]

Show answer

Answer: Row3[2]=27, Row3[1]=21, Row4[4]=16, Row2[2]=58, Row4[2]=12, Row5[4]=6, Row5[2]=3, Row4[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [48,58]
  • [21,27,31]
  • [9,12,15,16]
  • [6,3,9,6,10]
Base
  • 6
  • 3
  • 9
  • 6
  • 10
TopValue
106
HiddenCells
  • {"r":2,"c":1,"v":27}
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":3,"v":16}
  • {"r":1,"c":1,"v":58}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [63, _] → [32, 31, _] → [_, _, 14, 14] → [_, _, _, 6, 8]

Show answer

Answer: Row2[2]=59, Row4[1]=15, Row5[3]=8, Row4[2]=17, Row3[3]=28, Row5[2]=9, Row1[1]=122, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [122]
  • [63,59]
  • [32,31,28]
  • [15,17,14,14]
  • [6,9,8,6,8]
Base
  • 6
  • 9
  • 8
  • 6
  • 8
TopValue
122
HiddenCells
  • {"r":1,"c":1,"v":59}
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":1,"v":17}
  • {"r":2,"c":2,"v":28}
  • {"r":4,"c":1,"v":9}
  • {"r":0,"c":0,"v":122}
  • {"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): [98] → [55, _] → [_, _, _] → [_, _, 11, 6] → [7, _, 8, _, 3]

Show answer

Answer: Row2[2]=43, Row3[2]=26, Row4[1]=14, Row3[3]=17, Row5[4]=3, Row4[2]=15, Row3[1]=29, Row5[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [55,43]
  • [29,26,17]
  • [14,15,11,6]
  • [7,7,8,3,3]
Base
  • 7
  • 7
  • 8
  • 3
  • 3
TopValue
98
HiddenCells
  • {"r":1,"c":1,"v":43}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":1,"v":15}
  • {"r":2,"c":0,"v":29}
  • {"r":4,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, _] → [32, _, _] → [19, _, _, _] → [9, 10, 3, 6, _]

Show answer

Answer: Row2[2]=39, Row4[3]=9, Row1[1]=93, Row3[2]=22, Row4[2]=13, Row3[3]=17, Row5[5]=2, Row4[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [93]
  • [54,39]
  • [32,22,17]
  • [19,13,9,8]
  • [9,10,3,6,2]
Base
  • 9
  • 10
  • 3
  • 6
  • 2
TopValue
93
HiddenCells
  • {"r":1,"c":1,"v":39}
  • {"r":3,"c":2,"v":9}
  • {"r":0,"c":0,"v":93}
  • {"r":2,"c":1,"v":22}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":3,"v":8}