hard Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 24] → [24, _, _] → [14, _, 4, 6] → [_, _, 1, 3, _]

Show answer

Answer: Row1[1]=62, Row4[2]=10, Row5[2]=9, Row5[5]=3, Row3[2]=14, Row5[1]=5, Row2[1]=38, Row3[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [38,24]
  • [24,14,10]
  • [14,10,4,6]
  • [5,9,1,3,3]
Base
  • 5
  • 9
  • 1
  • 3
  • 3
TopValue
62
HiddenCells
  • {"r":0,"c":0,"v":62}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":1,"v":14}
  • {"r":4,"c":0,"v":5}
  • {"r":1,"c":0,"v":38}
  • {"r":2,"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): [_] → [_, _] → [_, 25, _] → [14, _, 13, 11] → [5, 9, 3, _, _]

Show answer

Answer: Row3[1]=26, Row3[3]=24, Row5[4]=10, Row5[5]=1, Row1[1]=100, Row2[1]=51, Row4[2]=12, Row2[2]=49

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [51,49]
  • [26,25,24]
  • [14,12,13,11]
  • [5,9,3,10,1]
Base
  • 5
  • 9
  • 3
  • 10
  • 1
TopValue
100
HiddenCells
  • {"r":2,"c":0,"v":26}
  • {"r":2,"c":2,"v":24}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":4,"v":1}
  • {"r":0,"c":0,"v":100}
  • {"r":1,"c":0,"v":51}
  • {"r":3,"c":1,"v":12}
  • {"r":1,"c":1,"v":49}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, 35] → [20, 14, _] → [_, 8, _, 15] → [5, _, _, _, _]

Show answer

Answer: Row5[3]=1, Row3[3]=21, Row5[5]=10, Row1[1]=69, Row5[2]=7, Row4[3]=6, Row4[1]=12, Row5[4]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [34,35]
  • [20,14,21]
  • [12,8,6,15]
  • [5,7,1,5,10]
Base
  • 5
  • 7
  • 1
  • 5
  • 10
TopValue
69
HiddenCells
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":4,"v":10}
  • {"r":0,"c":0,"v":69}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [70] → [_, 37] → [14, _, _] → [_, 9, 10, _] → [_, 3, 6, _, _]

Show answer

Answer: Row5[1]=2, Row5[4]=4, Row4[1]=5, Row5[5]=4, Row2[1]=33, Row4[4]=8, Row3[3]=18, Row3[2]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [33,37]
  • [14,19,18]
  • [5,9,10,8]
  • [2,3,6,4,4]
Base
  • 2
  • 3
  • 6
  • 4
  • 4
TopValue
70
HiddenCells
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":4,"v":4}
  • {"r":1,"c":0,"v":33}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":2,"v":18}
  • {"r":2,"c":1,"v":19}