hard Set 22 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [57, 65] → [26, 31, _] → [_, _, _, _] → [2, 9, 6, _, _]

Show answer

Answer: Row1[1]=122, Row5[4]=10, Row4[3]=16, Row4[2]=15, Row4[1]=11, Row5[5]=8, Row3[3]=34, Row4[4]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [122]
  • [57,65]
  • [26,31,34]
  • [11,15,16,18]
  • [2,9,6,10,8]
Base
  • 2
  • 9
  • 6
  • 10
  • 8
TopValue
122
HiddenCells
  • {"r":0,"c":0,"v":122}
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":2,"v":16}
  • {"r":3,"c":1,"v":15}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":2,"v":34}
  • {"r":3,"c":3,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 37] → [_, 14, 23] → [_, 6, 8, _] → [2, _, 2, _, _]

Show answer

Answer: Row5[5]=9, Row5[4]=6, Row2[1]=26, Row4[1]=6, Row5[2]=4, Row4[4]=15, Row1[1]=63, Row3[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [26,37]
  • [12,14,23]
  • [6,6,8,15]
  • [2,4,2,6,9]
Base
  • 2
  • 4
  • 2
  • 6
  • 9
TopValue
63
HiddenCells
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":3,"v":6}
  • {"r":1,"c":0,"v":26}
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":3,"v":15}
  • {"r":0,"c":0,"v":63}
  • {"r":2,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 23] → [16, 13, 10, 13] → [_, _, _, 5, 8]

Show answer

Answer: Row2[2]=46, Row5[3]=5, Row5[2]=8, Row3[2]=23, Row5[1]=8, Row2[1]=52, Row1[1]=98, Row3[1]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [52,46]
  • [29,23,23]
  • [16,13,10,13]
  • [8,8,5,5,8]
Base
  • 8
  • 8
  • 5
  • 5
  • 8
TopValue
98
HiddenCells
  • {"r":1,"c":1,"v":46}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":1,"v":23}
  • {"r":4,"c":0,"v":8}
  • {"r":1,"c":0,"v":52}
  • {"r":0,"c":0,"v":98}
  • {"r":2,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, 37] → [_, _, 15] → [13, 14, 8, _] → [_, _, _, _, 3]

Show answer

Answer: Row1[1]=86, Row4[4]=7, Row5[3]=4, Row5[2]=10, Row3[2]=22, Row5[1]=3, Row3[1]=27, Row5[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [49,37]
  • [27,22,15]
  • [13,14,8,7]
  • [3,10,4,4,3]
Base
  • 3
  • 10
  • 4
  • 4
  • 3
TopValue
86
HiddenCells
  • {"r":0,"c":0,"v":86}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":0,"v":27}
  • {"r":4,"c":3,"v":4}