hard Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, 50] → [_, _, 23] → [_, _, 13, 10] → [3, _, _, 4, _]

Show answer

Answer: Row3[1]=22, Row4[2]=14, Row1[1]=99, Row5[3]=9, Row5[5]=6, Row3[2]=27, Row4[1]=8, Row5[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [49,50]
  • [22,27,23]
  • [8,14,13,10]
  • [3,5,9,4,6]
Base
  • 3
  • 5
  • 9
  • 4
  • 6
TopValue
99
HiddenCells
  • {"r":2,"c":0,"v":22}
  • {"r":3,"c":1,"v":14}
  • {"r":0,"c":0,"v":99}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":1,"v":27}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [133] → [_, _] → [28, 34, _] → [_, 15, _, _] → [8, _, _, 9, 9]

Show answer

Answer: Row3[3]=37, Row4[4]=18, Row4[1]=13, Row2[1]=62, Row5[3]=10, Row4[3]=19, Row2[2]=71, Row5[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [133]
  • [62,71]
  • [28,34,37]
  • [13,15,19,18]
  • [8,5,10,9,9]
Base
  • 8
  • 5
  • 10
  • 9
  • 9
TopValue
133
HiddenCells
  • {"r":2,"c":2,"v":37}
  • {"r":3,"c":3,"v":18}
  • {"r":3,"c":0,"v":13}
  • {"r":1,"c":0,"v":62}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":2,"v":19}
  • {"r":1,"c":1,"v":71}
  • {"r":4,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [45, _] → [19, _, _] → [_, 11, _, _] → [3, 5, 6, _, 10]

Show answer

Answer: Row2[2]=60, Row3[2]=26, Row4[3]=15, Row4[1]=8, Row5[4]=9, Row4[4]=19, Row1[1]=105, Row3[3]=34

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [45,60]
  • [19,26,34]
  • [8,11,15,19]
  • [3,5,6,9,10]
Base
  • 3
  • 5
  • 6
  • 9
  • 10
TopValue
105
HiddenCells
  • {"r":1,"c":1,"v":60}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":3,"v":19}
  • {"r":0,"c":0,"v":105}
  • {"r":2,"c":2,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 53] → [24, 25, 28] → [_, 13, _, _] → [_, _, _, 8, 8]

Show answer

Answer: Row4[3]=12, Row4[1]=11, Row5[3]=4, Row2[1]=49, Row1[1]=102, Row5[1]=2, Row4[4]=16, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [49,53]
  • [24,25,28]
  • [11,13,12,16]
  • [2,9,4,8,8]
Base
  • 2
  • 9
  • 4
  • 8
  • 8
TopValue
102
HiddenCells
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":2,"v":4}
  • {"r":1,"c":0,"v":49}
  • {"r":0,"c":0,"v":102}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":1,"v":9}