hard Set 37 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [57, _] → [27, 30, _] → [_, 17, _, _] → [3, _, 10, 3, _]

Show answer

Answer: Row5[2]=7, Row2[2]=53, Row4[1]=10, Row3[3]=23, Row4[3]=13, Row1[1]=110, Row4[4]=10, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [57,53]
  • [27,30,23]
  • [10,17,13,10]
  • [3,7,10,3,7]
Base
  • 3
  • 7
  • 10
  • 3
  • 7
TopValue
110
HiddenCells
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":1,"v":53}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":2,"v":13}
  • {"r":0,"c":0,"v":110}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [20, _] → [7, _, 21] → [_, _, 8, _] → [_, _, _, 4, 9]

Show answer

Answer: Row4[1]=2, Row4[4]=13, Row5[2]=1, Row5[1]=1, Row2[2]=34, Row5[3]=4, Row3[2]=13, Row4[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [20,34]
  • [7,13,21]
  • [2,5,8,13]
  • [1,1,4,4,9]
Base
  • 1
  • 1
  • 4
  • 4
  • 9
TopValue
54
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":0,"v":1}
  • {"r":1,"c":1,"v":34}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [146] → [_, 71] → [_, 37, _] → [19, 19, 18, _] → [_, _, _, _, 8]

Show answer

Answer: Row3[1]=38, Row5[3]=10, Row5[2]=9, Row5[1]=10, Row3[3]=34, Row2[1]=75, Row4[4]=16, Row5[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [146]
  • [75,71]
  • [38,37,34]
  • [19,19,18,16]
  • [10,9,10,8,8]
Base
  • 10
  • 9
  • 10
  • 8
  • 8
TopValue
146
HiddenCells
  • {"r":2,"c":0,"v":38}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":0,"v":10}
  • {"r":2,"c":2,"v":34}
  • {"r":1,"c":0,"v":75}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 27] → [_, 9, _] → [_, _, _, 13] → [1, _, 2, 3, 10]

Show answer

Answer: Row5[2]=2, Row1[1]=43, Row3[3]=18, Row4[2]=4, Row2[1]=16, Row4[3]=5, Row3[1]=7, Row4[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [43]
  • [16,27]
  • [7,9,18]
  • [3,4,5,13]
  • [1,2,2,3,10]
Base
  • 1
  • 2
  • 2
  • 3
  • 10
TopValue
43
HiddenCells
  • {"r":4,"c":1,"v":2}
  • {"r":0,"c":0,"v":43}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":0,"v":16}
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":0,"v":3}