hard Set 35 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 36] → [_, _, 17] → [_, 12, 7, 10] → [_, 7, 5, _, _]

Show answer

Answer: Row5[5]=8, Row5[4]=2, Row5[1]=7, Row1[1]=81, Row4[1]=14, Row3[2]=19, Row2[1]=45, Row3[1]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [45,36]
  • [26,19,17]
  • [14,12,7,10]
  • [7,7,5,2,8]
Base
  • 7
  • 7
  • 5
  • 2
  • 8
TopValue
81
HiddenCells
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":0,"v":7}
  • {"r":0,"c":0,"v":81}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":1,"v":19}
  • {"r":1,"c":0,"v":45}
  • {"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): [_] → [_, 57] → [_, 26, 31] → [_, _, 15, 16] → [_, _, 7, 8, _]

Show answer

Answer: Row3[1]=16, Row1[1]=99, Row5[1]=1, Row5[5]=8, Row2[1]=42, Row4[1]=5, Row4[2]=11, Row5[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [42,57]
  • [16,26,31]
  • [5,11,15,16]
  • [1,4,7,8,8]
Base
  • 1
  • 4
  • 7
  • 8
  • 8
TopValue
99
HiddenCells
  • {"r":2,"c":0,"v":16}
  • {"r":0,"c":0,"v":99}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":0,"v":42}
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"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): [_] → [25, _] → [10, 15, _] → [5, _, _, 12] → [_, 4, _, _, 3]

Show answer

Answer: Row2[2]=37, Row5[1]=1, Row1[1]=62, Row5[4]=9, Row4[2]=5, Row3[3]=22, Row5[3]=1, Row4[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [25,37]
  • [10,15,22]
  • [5,5,10,12]
  • [1,4,1,9,3]
Base
  • 1
  • 4
  • 1
  • 9
  • 3
TopValue
62
HiddenCells
  • {"r":1,"c":1,"v":37}
  • {"r":4,"c":0,"v":1}
  • {"r":0,"c":0,"v":62}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":2,"v":22}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 56] → [_, 25, _] → [10, 12, 13, _] → [2, _, _, _, 9]

Show answer

Answer: Row1[1]=103, Row3[3]=31, Row5[2]=8, Row4[4]=18, Row5[3]=4, Row3[1]=22, Row5[4]=9, Row2[1]=47

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [47,56]
  • [22,25,31]
  • [10,12,13,18]
  • [2,8,4,9,9]
Base
  • 2
  • 8
  • 4
  • 9
  • 9
TopValue
103
HiddenCells
  • {"r":0,"c":0,"v":103}
  • {"r":2,"c":2,"v":31}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":3,"v":18}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":0,"v":22}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":0,"v":47}