hard Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [_, 32] → [28, _, _] → [_, 13, 6, 7] → [_, _, 3, _, _]

Show answer

Answer: Row3[3]=13, Row5[4]=3, Row4[1]=15, Row3[2]=19, Row5[2]=10, Row2[1]=47, Row5[5]=4, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [47,32]
  • [28,19,13]
  • [15,13,6,7]
  • [5,10,3,3,4]
Base
  • 5
  • 10
  • 3
  • 3
  • 4
TopValue
79
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":0,"v":47}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, _] → [_, _, 15] → [8, 5, 7, _] → [_, 3, _, _, 3]

Show answer

Answer: Row5[3]=2, Row2[2]=27, Row4[4]=8, Row5[4]=5, Row3[2]=12, Row3[1]=13, Row1[1]=52, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [52]
  • [25,27]
  • [13,12,15]
  • [8,5,7,8]
  • [5,3,2,5,3]
Base
  • 5
  • 3
  • 2
  • 5
  • 3
TopValue
52
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":1,"c":1,"v":27}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":1,"v":12}
  • {"r":2,"c":0,"v":13}
  • {"r":0,"c":0,"v":52}
  • {"r":4,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [71, 52] → [40, _, _] → [20, _, _, _] → [_, 10, 10, 1, _]

Show answer

Answer: Row4[3]=11, Row4[2]=20, Row4[4]=10, Row1[1]=123, Row5[1]=10, Row3[2]=31, Row5[5]=9, Row3[3]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [123]
  • [71,52]
  • [40,31,21]
  • [20,20,11,10]
  • [10,10,10,1,9]
Base
  • 10
  • 10
  • 10
  • 1
  • 9
TopValue
123
HiddenCells
  • {"r":3,"c":2,"v":11}
  • {"r":3,"c":1,"v":20}
  • {"r":3,"c":3,"v":10}
  • {"r":0,"c":0,"v":123}
  • {"r":4,"c":0,"v":10}
  • {"r":2,"c":1,"v":31}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":2,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [101] → [_, 59] → [_, _, 35] → [_, _, _, _] → [5, 4, _, 10, 10]

Show answer

Answer: Row4[3]=15, Row3[2]=24, Row3[1]=18, Row2[1]=42, Row4[1]=9, Row5[3]=5, Row4[2]=9, Row4[4]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [42,59]
  • [18,24,35]
  • [9,9,15,20]
  • [5,4,5,10,10]
Base
  • 5
  • 4
  • 5
  • 10
  • 10
TopValue
101
HiddenCells
  • {"r":3,"c":2,"v":15}
  • {"r":2,"c":1,"v":24}
  • {"r":2,"c":0,"v":18}
  • {"r":1,"c":0,"v":42}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":3,"v":20}