hard Set 13 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 48] → [_, 19, _] → [14, _, 10, 19] → [6, _, _, _, 10]

Show answer

Answer: Row5[3]=1, Row1[1]=90, Row4[2]=9, Row5[4]=9, Row3[3]=29, Row5[2]=8, Row3[1]=23, Row2[1]=42

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [42,48]
  • [23,19,29]
  • [14,9,10,19]
  • [6,8,1,9,10]
Base
  • 6
  • 8
  • 1
  • 9
  • 10
TopValue
90
HiddenCells
  • {"r":4,"c":2,"v":1}
  • {"r":0,"c":0,"v":90}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":2,"v":29}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":0,"v":23}
  • {"r":1,"c":0,"v":42}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 46] → [_, _, 20] → [9, 16, 10, _] → [1, _, 8, _, _]

Show answer

Answer: Row5[4]=2, Row5[5]=8, Row2[1]=51, Row4[4]=10, Row5[2]=8, Row1[1]=97, Row3[1]=25, Row3[2]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [51,46]
  • [25,26,20]
  • [9,16,10,10]
  • [1,8,8,2,8]
Base
  • 1
  • 8
  • 8
  • 2
  • 8
TopValue
97
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":0,"v":51}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":1,"v":8}
  • {"r":0,"c":0,"v":97}
  • {"r":2,"c":0,"v":25}
  • {"r":2,"c":1,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, _] → [_, 19, _] → [8, 9, 10, _] → [_, _, _, 2, 1]

Show answer

Answer: Row3[3]=13, Row1[1]=68, Row5[1]=7, Row5[2]=1, Row5[3]=8, Row4[4]=3, Row3[1]=17, Row2[2]=32

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [36,32]
  • [17,19,13]
  • [8,9,10,3]
  • [7,1,8,2,1]
Base
  • 7
  • 1
  • 8
  • 2
  • 1
TopValue
68
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":0,"c":0,"v":68}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":0,"v":17}
  • {"r":1,"c":1,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, 23] → [20, _, 11] → [_, 7, _, _] → [8, _, _, _, 3]

Show answer

Answer: Row4[3]=5, Row5[4]=3, Row5[2]=5, Row1[1]=55, Row3[2]=12, Row4[1]=13, Row4[4]=6, Row5[3]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [32,23]
  • [20,12,11]
  • [13,7,5,6]
  • [8,5,2,3,3]
Base
  • 8
  • 5
  • 2
  • 3
  • 3
TopValue
55
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":1,"v":5}
  • {"r":0,"c":0,"v":55}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":2,"v":2}