hard Set 100 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [96] → [53, 43] → [_, _, 22] → [19, 13, _, _] → [_, 9, _, _, _]

Show answer

Answer: Row5[5]=10, Row4[3]=8, Row3[1]=32, Row3[2]=21, Row5[3]=4, Row4[4]=14, Row5[4]=4, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [53,43]
  • [32,21,22]
  • [19,13,8,14]
  • [10,9,4,4,10]
Base
  • 10
  • 9
  • 4
  • 4
  • 10
TopValue
96
HiddenCells
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":0,"v":32}
  • {"r":2,"c":1,"v":21}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [93] → [_, _] → [_, _, _] → [20, 13, 8, 10] → [_, 10, _, 5, _]

Show answer

Answer: Row5[3]=3, Row3[2]=21, Row3[1]=33, Row5[1]=10, Row2[1]=54, Row3[3]=18, Row5[5]=5, Row2[2]=39

SubType
number-pyramid
Difficulty
hard
Levels
  • [93]
  • [54,39]
  • [33,21,18]
  • [20,13,8,10]
  • [10,10,3,5,5]
Base
  • 10
  • 10
  • 3
  • 5
  • 5
TopValue
93
HiddenCells
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":1,"v":21}
  • {"r":2,"c":0,"v":33}
  • {"r":4,"c":0,"v":10}
  • {"r":1,"c":0,"v":54}
  • {"r":2,"c":2,"v":18}
  • {"r":4,"c":4,"v":5}
  • {"r":1,"c":1,"v":39}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 60] → [38, _, 28] → [_, _, _, 14] → [_, 10, 8, 6, _]

Show answer

Answer: Row3[2]=32, Row1[1]=130, Row4[3]=14, Row2[1]=70, Row5[5]=8, Row4[2]=18, Row4[1]=20, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [130]
  • [70,60]
  • [38,32,28]
  • [20,18,14,14]
  • [10,10,8,6,8]
Base
  • 10
  • 10
  • 8
  • 6
  • 8
TopValue
130
HiddenCells
  • {"r":2,"c":1,"v":32}
  • {"r":0,"c":0,"v":130}
  • {"r":3,"c":2,"v":14}
  • {"r":1,"c":0,"v":70}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":1,"v":18}
  • {"r":3,"c":0,"v":20}
  • {"r":4,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [48, _] → [19, 29, _] → [6, _, 16, _] → [2, _, 9, _, _]

Show answer

Answer: Row2[2]=57, Row5[5]=5, Row4[2]=13, Row3[3]=28, Row5[2]=4, Row1[1]=105, Row5[4]=7, Row4[4]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [48,57]
  • [19,29,28]
  • [6,13,16,12]
  • [2,4,9,7,5]
Base
  • 2
  • 4
  • 9
  • 7
  • 5
TopValue
105
HiddenCells
  • {"r":1,"c":1,"v":57}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":2,"v":28}
  • {"r":4,"c":1,"v":4}
  • {"r":0,"c":0,"v":105}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":3,"v":12}