hard Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [38, _] → [_, _, _] → [_, _, 11, 6] → [_, 1, 7, _, 2]

Show answer

Answer: Row2[2]=36, Row4[2]=8, Row3[1]=19, Row5[1]=10, Row3[2]=19, Row5[4]=4, Row4[1]=11, Row3[3]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [38,36]
  • [19,19,17]
  • [11,8,11,6]
  • [10,1,7,4,2]
Base
  • 10
  • 1
  • 7
  • 4
  • 2
TopValue
74
HiddenCells
  • {"r":1,"c":1,"v":36}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":0,"v":10}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":2,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 35] → [26, _, _] → [_, 15, _, 4] → [_, 10, 5, 3, _]

Show answer

Answer: Row4[3]=8, Row1[1]=84, Row5[1]=1, Row3[2]=23, Row2[1]=49, Row3[3]=12, Row4[1]=11, Row5[5]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [49,35]
  • [26,23,12]
  • [11,15,8,4]
  • [1,10,5,3,1]
Base
  • 1
  • 10
  • 5
  • 3
  • 1
TopValue
84
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":0,"c":0,"v":84}
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":1,"v":23}
  • {"r":1,"c":0,"v":49}
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":4,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 42] → [_, _, 22] → [_, _, 11, 11] → [2, 3, 6, _, _]

Show answer

Answer: Row1[1]=76, Row2[1]=34, Row4[1]=5, Row5[5]=6, Row5[4]=5, Row3[2]=20, Row3[1]=14, Row4[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [34,42]
  • [14,20,22]
  • [5,9,11,11]
  • [2,3,6,5,6]
Base
  • 2
  • 3
  • 6
  • 5
  • 6
TopValue
76
HiddenCells
  • {"r":0,"c":0,"v":76}
  • {"r":1,"c":0,"v":34}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":1,"v":20}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"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): [48] → [_, _] → [16, 10, _] → [_, _, 3, _] → [_, 6, _, 2, 7]

Show answer

Answer: Row2[1]=26, Row2[2]=22, Row5[3]=1, Row4[4]=9, Row3[3]=12, Row5[1]=3, Row4[2]=7, Row4[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [48]
  • [26,22]
  • [16,10,12]
  • [9,7,3,9]
  • [3,6,1,2,7]
Base
  • 3
  • 6
  • 1
  • 2
  • 7
TopValue
48
HiddenCells
  • {"r":1,"c":0,"v":26}
  • {"r":1,"c":1,"v":22}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":2,"v":12}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":0,"v":9}