hard Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [_, 27] → [23, 13, _] → [_, 8, _, 9] → [_, _, 2, _, _]

Show answer

Answer: Row4[1]=15, Row3[3]=14, Row5[1]=9, Row5[4]=3, Row2[1]=36, Row5[2]=6, Row4[3]=5, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [36,27]
  • [23,13,14]
  • [15,8,5,9]
  • [9,6,2,3,6]
Base
  • 9
  • 6
  • 2
  • 3
  • 6
TopValue
63
HiddenCells
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":0,"v":36}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":4,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [129] → [65, _] → [_, 33, _] → [_, _, 17, _] → [_, 9, 7, 10, _]

Show answer

Answer: Row3[1]=32, Row2[2]=64, Row4[4]=14, Row5[1]=7, Row4[2]=16, Row3[3]=31, Row5[5]=4, Row4[1]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [129]
  • [65,64]
  • [32,33,31]
  • [16,16,17,14]
  • [7,9,7,10,4]
Base
  • 7
  • 9
  • 7
  • 10
  • 4
TopValue
129
HiddenCells
  • {"r":2,"c":0,"v":32}
  • {"r":1,"c":1,"v":64}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":1,"v":16}
  • {"r":2,"c":2,"v":31}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 15, 11] → [_, 9, _, _] → [4, 7, 2, 4, _]

Show answer

Answer: Row4[3]=6, Row5[5]=1, Row2[1]=35, Row4[4]=5, Row1[1]=61, Row3[1]=20, Row4[1]=11, Row2[2]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [35,26]
  • [20,15,11]
  • [11,9,6,5]
  • [4,7,2,4,1]
Base
  • 4
  • 7
  • 2
  • 4
  • 1
TopValue
61
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":4,"v":1}
  • {"r":1,"c":0,"v":35}
  • {"r":3,"c":3,"v":5}
  • {"r":0,"c":0,"v":61}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"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): [61] → [_, _] → [18, _, _] → [9, _, 7, _] → [4, 5, _, _, 1]

Show answer

Answer: Row3[2]=16, Row5[4]=3, Row2[1]=34, Row2[2]=27, Row3[3]=11, Row4[4]=4, Row5[3]=4, Row4[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [34,27]
  • [18,16,11]
  • [9,9,7,4]
  • [4,5,4,3,1]
Base
  • 4
  • 5
  • 4
  • 3
  • 1
TopValue
61
HiddenCells
  • {"r":2,"c":1,"v":16}
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":0,"v":34}
  • {"r":1,"c":1,"v":27}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":3,"v":4}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":1,"v":9}