hard Set 29 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [_, 31] → [_, _, 17] → [10, 5, _, _] → [_, 1, _, _, 3]

Show answer

Answer: Row4[4]=8, Row2[1]=29, Row5[4]=5, Row5[1]=9, Row5[3]=4, Row4[3]=9, Row3[1]=15, Row3[2]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [29,31]
  • [15,14,17]
  • [10,5,9,8]
  • [9,1,4,5,3]
Base
  • 9
  • 1
  • 4
  • 5
  • 3
TopValue
60
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":0,"v":29}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":0,"v":15}
  • {"r":2,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [20, _] → [8, _, 15] → [4, _, _, _] → [_, 1, 3, _, _]

Show answer

Answer: Row4[3]=8, Row5[4]=5, Row4[4]=7, Row3[2]=12, Row5[1]=3, Row5[5]=2, Row2[2]=27, Row4[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [47]
  • [20,27]
  • [8,12,15]
  • [4,4,8,7]
  • [3,1,3,5,2]
Base
  • 3
  • 1
  • 3
  • 5
  • 2
TopValue
47
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":1,"v":12}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":4,"v":2}
  • {"r":1,"c":1,"v":27}
  • {"r":3,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [_, _] → [_, _, _] → [5, 6, _, _] → [3, 2, _, 5, 7]

Show answer

Answer: Row3[2]=15, Row5[3]=4, Row2[2]=36, Row3[3]=21, Row4[3]=9, Row2[1]=26, Row3[1]=11, Row4[4]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [26,36]
  • [11,15,21]
  • [5,6,9,12]
  • [3,2,4,5,7]
Base
  • 3
  • 2
  • 4
  • 5
  • 7
TopValue
62
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":4,"c":2,"v":4}
  • {"r":1,"c":1,"v":36}
  • {"r":2,"c":2,"v":21}
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":0,"v":26}
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":3,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [35, 42] → [_, _, _] → [13, _, 10, 16] → [_, 3, _, 7, _]

Show answer

Answer: Row3[2]=16, Row4[2]=6, Row3[1]=19, Row5[3]=3, Row1[1]=77, Row3[3]=26, Row5[5]=9, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [35,42]
  • [19,16,26]
  • [13,6,10,16]
  • [10,3,3,7,9]
Base
  • 10
  • 3
  • 3
  • 7
  • 9
TopValue
77
HiddenCells
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":2,"v":3}
  • {"r":0,"c":0,"v":77}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":0,"v":10}