hard Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [50, _] → [_, 27, 23] → [9, _, _, 10] → [2, _, 7, _, _]

Show answer

Answer: Row1[1]=100, Row5[2]=7, Row5[4]=6, Row3[1]=23, Row5[5]=4, Row2[2]=50, Row4[2]=14, Row4[3]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [50,50]
  • [23,27,23]
  • [9,14,13,10]
  • [2,7,7,6,4]
Base
  • 2
  • 7
  • 7
  • 6
  • 4
TopValue
100
HiddenCells
  • {"r":0,"c":0,"v":100}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":4,"v":4}
  • {"r":1,"c":1,"v":50}
  • {"r":3,"c":1,"v":14}
  • {"r":3,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [95] → [_, 51] → [19, _, _] → [8, _, _, _] → [3, _, 6, 8, _]

Show answer

Answer: Row5[2]=5, Row4[4]=12, Row3[2]=25, Row4[3]=14, Row5[5]=4, Row3[3]=26, Row4[2]=11, Row2[1]=44

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [44,51]
  • [19,25,26]
  • [8,11,14,12]
  • [3,5,6,8,4]
Base
  • 3
  • 5
  • 6
  • 8
  • 4
TopValue
95
HiddenCells
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":1,"v":25}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":1,"v":11}
  • {"r":1,"c":0,"v":44}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, _] → [28, 18, _] → [_, 12, _, _] → [_, 10, _, 4, 9]

Show answer

Answer: Row5[1]=6, Row5[3]=2, Row4[3]=6, Row4[1]=16, Row1[1]=83, Row2[2]=37, Row3[3]=19, Row4[4]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [46,37]
  • [28,18,19]
  • [16,12,6,13]
  • [6,10,2,4,9]
Base
  • 6
  • 10
  • 2
  • 4
  • 9
TopValue
83
HiddenCells
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":0,"v":16}
  • {"r":0,"c":0,"v":83}
  • {"r":1,"c":1,"v":37}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":3,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, _] → [6, 4, 9, 17] → [3, 3, _, _, 9]

Show answer

Answer: Row3[2]=13, Row5[3]=1, Row1[1]=62, Row3[1]=10, Row3[3]=26, Row5[4]=8, Row2[1]=23, Row2[2]=39

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [23,39]
  • [10,13,26]
  • [6,4,9,17]
  • [3,3,1,8,9]
Base
  • 3
  • 3
  • 1
  • 8
  • 9
TopValue
62
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":4,"c":2,"v":1}
  • {"r":0,"c":0,"v":62}
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":0,"v":23}
  • {"r":1,"c":1,"v":39}