hard Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [_, _] → [_, 23, 20] → [10, _, _, _] → [5, _, 7, 4, _]

Show answer

Answer: Row3[1]=22, Row4[2]=12, Row5[5]=5, Row4[4]=9, Row5[2]=5, Row2[1]=45, Row4[3]=11, Row2[2]=43

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [45,43]
  • [22,23,20]
  • [10,12,11,9]
  • [5,5,7,4,5]
Base
  • 5
  • 5
  • 7
  • 4
  • 5
TopValue
88
HiddenCells
  • {"r":2,"c":0,"v":22}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":1,"v":5}
  • {"r":1,"c":0,"v":45}
  • {"r":3,"c":2,"v":11}
  • {"r":1,"c":1,"v":43}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [59, 57] → [_, _, _] → [_, _, 15, _] → [4, _, 5, 10, 2]

Show answer

Answer: Row4[2]=15, Row5[2]=10, Row3[1]=29, Row4[4]=12, Row1[1]=116, Row4[1]=14, Row3[2]=30, Row3[3]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [59,57]
  • [29,30,27]
  • [14,15,15,12]
  • [4,10,5,10,2]
Base
  • 4
  • 10
  • 5
  • 10
  • 2
TopValue
116
HiddenCells
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":0,"v":29}
  • {"r":3,"c":3,"v":12}
  • {"r":0,"c":0,"v":116}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":1,"v":30}
  • {"r":2,"c":2,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, _] → [17, _, 15] → [_, _, 10, 5] → [5, 2, _, _, _]

Show answer

Answer: Row5[5]=3, Row5[3]=8, Row4[2]=10, Row3[2]=20, Row2[2]=35, Row4[1]=7, Row1[1]=72, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [37,35]
  • [17,20,15]
  • [7,10,10,5]
  • [5,2,8,2,3]
Base
  • 5
  • 2
  • 8
  • 2
  • 3
TopValue
72
HiddenCells
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":1,"v":20}
  • {"r":1,"c":1,"v":35}
  • {"r":3,"c":0,"v":7}
  • {"r":0,"c":0,"v":72}
  • {"r":4,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [102] → [_, _] → [19, _, _] → [7, 12, _, 11] → [5, _, 10, _, _]

Show answer

Answer: Row5[2]=2, Row3[3]=27, Row2[2]=55, Row5[5]=5, Row3[2]=28, Row2[1]=47, Row5[4]=6, Row4[3]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [47,55]
  • [19,28,27]
  • [7,12,16,11]
  • [5,2,10,6,5]
Base
  • 5
  • 2
  • 10
  • 6
  • 5
TopValue
102
HiddenCells
  • {"r":4,"c":1,"v":2}
  • {"r":2,"c":2,"v":27}
  • {"r":1,"c":1,"v":55}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":1,"v":28}
  • {"r":1,"c":0,"v":47}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":2,"v":16}