hard Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [57] → [_, _] → [_, 13, 8] → [_, _, _, 6] → [2, 10, _, _, 5]

Show answer

Answer: Row4[1]=12, Row3[1]=23, Row4[3]=2, Row4[2]=11, Row5[3]=1, Row2[2]=21, Row2[1]=36, Row5[4]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [57]
  • [36,21]
  • [23,13,8]
  • [12,11,2,6]
  • [2,10,1,1,5]
Base
  • 2
  • 10
  • 1
  • 1
  • 5
TopValue
57
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":2,"v":1}
  • {"r":1,"c":1,"v":21}
  • {"r":1,"c":0,"v":36}
  • {"r":4,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [_, 22] → [_, _, 12] → [_, _, 5, 7] → [_, 4, _, 4, _]

Show answer

Answer: Row3[2]=10, Row3[1]=12, Row2[1]=22, Row4[2]=5, Row4[1]=7, Row5[3]=1, Row5[5]=3, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [44]
  • [22,22]
  • [12,10,12]
  • [7,5,5,7]
  • [3,4,1,4,3]
Base
  • 3
  • 4
  • 1
  • 4
  • 3
TopValue
44
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [105] → [_, 55] → [24, _, _] → [_, 13, 13, _] → [2, _, 4, _, _]

Show answer

Answer: Row4[1]=11, Row5[5]=7, Row5[4]=9, Row2[1]=50, Row3[3]=29, Row4[4]=16, Row3[2]=26, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [50,55]
  • [24,26,29]
  • [11,13,13,16]
  • [2,9,4,9,7]
Base
  • 2
  • 9
  • 4
  • 9
  • 7
TopValue
105
HiddenCells
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":0,"v":50}
  • {"r":2,"c":2,"v":29}
  • {"r":3,"c":3,"v":16}
  • {"r":2,"c":1,"v":26}
  • {"r":4,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [86] → [_, 48] → [14, _, _] → [4, _, 14, 10] → [_, _, _, _, 4]

Show answer

Answer: Row2[1]=38, Row5[4]=6, Row5[3]=8, Row4[2]=10, Row5[1]=2, Row3[2]=24, Row3[3]=24, Row5[2]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [38,48]
  • [14,24,24]
  • [4,10,14,10]
  • [2,2,8,6,4]
Base
  • 2
  • 2
  • 8
  • 6
  • 4
TopValue
86
HiddenCells
  • {"r":1,"c":0,"v":38}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":0,"v":2}
  • {"r":2,"c":1,"v":24}
  • {"r":2,"c":2,"v":24}
  • {"r":4,"c":1,"v":2}