hard Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 45] → [_, _, 26] → [_, 7, 12, 14] → [9, _, _, 6, _]

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Answer: Row5[3]=6, Row3[1]=17, Row3[2]=19, Row5[5]=8, Row4[1]=10, Row1[1]=81, Row2[1]=36, Row5[2]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [36,45]
  • [17,19,26]
  • [10,7,12,14]
  • [9,1,6,6,8]
Base
  • 9
  • 1
  • 6
  • 6
  • 8
TopValue
81
HiddenCells
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":0,"v":17}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":0,"v":10}
  • {"r":0,"c":0,"v":81}
  • {"r":1,"c":0,"v":36}
  • {"r":4,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [59, _] → [_, _, _] → [_, 17, 14, _] → [2, 9, 8, 6, _]

Show answer

Answer: Row5[5]=5, Row4[1]=11, Row3[1]=28, Row3[2]=31, Row1[1]=115, Row4[4]=11, Row3[3]=25, Row2[2]=56

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [59,56]
  • [28,31,25]
  • [11,17,14,11]
  • [2,9,8,6,5]
Base
  • 2
  • 9
  • 8
  • 6
  • 5
TopValue
115
HiddenCells
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":0,"v":28}
  • {"r":2,"c":1,"v":31}
  • {"r":0,"c":0,"v":115}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":2,"v":25}
  • {"r":1,"c":1,"v":56}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [_, 21] → [_, 13, _] → [_, 10, _, _] → [_, 8, 2, 1, _]

Show answer

Answer: Row3[3]=8, Row4[1]=16, Row5[5]=4, Row5[1]=8, Row3[1]=26, Row4[3]=3, Row4[4]=5, Row2[1]=39

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [39,21]
  • [26,13,8]
  • [16,10,3,5]
  • [8,8,2,1,4]
Base
  • 8
  • 8
  • 2
  • 1
  • 4
TopValue
60
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":0,"v":8}
  • {"r":2,"c":0,"v":26}
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":0,"v":39}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [14, 13, _] → [_, 3, _, 15] → [9, _, 1, _, 6]

Show answer

Answer: Row1[1]=65, Row4[1]=11, Row3[3]=25, Row2[2]=38, Row2[1]=27, Row5[2]=2, Row5[4]=9, Row4[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [27,38]
  • [14,13,25]
  • [11,3,10,15]
  • [9,2,1,9,6]
Base
  • 9
  • 2
  • 1
  • 9
  • 6
TopValue
65
HiddenCells
  • {"r":0,"c":0,"v":65}
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":2,"v":25}
  • {"r":1,"c":1,"v":38}
  • {"r":1,"c":0,"v":27}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":2,"v":10}