hard Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [110] → [_, _] → [_, 29, 26] → [_, 14, _, _] → [5, _, 7, 8, _]

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Answer: Row4[1]=12, Row2[2]=55, Row4[4]=11, Row5[5]=3, Row5[2]=7, Row2[1]=55, Row4[3]=15, Row3[1]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [55,55]
  • [26,29,26]
  • [12,14,15,11]
  • [5,7,7,8,3]
Base
  • 5
  • 7
  • 7
  • 8
  • 3
TopValue
110
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":1,"c":1,"v":55}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":0,"v":55}
  • {"r":3,"c":2,"v":15}
  • {"r":2,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 7, _] → [6, 5, _, _] → [2, _, 1, 1, 7]

Show answer

Answer: Row2[2]=17, Row4[3]=2, Row3[1]=11, Row2[1]=18, Row5[2]=4, Row3[3]=10, Row4[4]=8, Row1[1]=35

SubType
number-pyramid
Difficulty
hard
Levels
  • [35]
  • [18,17]
  • [11,7,10]
  • [6,5,2,8]
  • [2,4,1,1,7]
Base
  • 2
  • 4
  • 1
  • 1
  • 7
TopValue
35
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":3,"c":2,"v":2}
  • {"r":2,"c":0,"v":11}
  • {"r":1,"c":0,"v":18}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":3,"v":8}
  • {"r":0,"c":0,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [48, _] → [26, 22, _] → [_, _, 11, 12] → [8, _, 4, _, _]

Show answer

Answer: Row5[4]=7, Row4[1]=15, Row4[2]=11, Row1[1]=93, Row2[2]=45, Row5[2]=7, Row3[3]=23, Row5[5]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [93]
  • [48,45]
  • [26,22,23]
  • [15,11,11,12]
  • [8,7,4,7,5]
Base
  • 8
  • 7
  • 4
  • 7
  • 5
TopValue
93
HiddenCells
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":0,"v":15}
  • {"r":3,"c":1,"v":11}
  • {"r":0,"c":0,"v":93}
  • {"r":1,"c":1,"v":45}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":2,"v":23}
  • {"r":4,"c":4,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [138] → [65, 73] → [_, 36, 37] → [_, _, 20, 17] → [_, _, _, _, _]

Show answer

Answer: Row5[3]=10, Row5[2]=6, Row5[4]=10, Row3[1]=29, Row4[2]=16, Row5[1]=7, Row5[5]=7, Row4[1]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [138]
  • [65,73]
  • [29,36,37]
  • [13,16,20,17]
  • [7,6,10,10,7]
Base
  • 7
  • 6
  • 10
  • 10
  • 7
TopValue
138
HiddenCells
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":0,"v":29}
  • {"r":3,"c":1,"v":16}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":0,"v":13}