hard Set 16 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [53, 36] → [_, _, 15] → [19, 13, 8, _] → [9, _, _, _, _]

Show answer

Answer: Row5[4]=5, Row1[1]=89, Row5[5]=2, Row3[1]=32, Row4[4]=7, Row3[2]=21, Row5[2]=10, Row5[3]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [53,36]
  • [32,21,15]
  • [19,13,8,7]
  • [9,10,3,5,2]
Base
  • 9
  • 10
  • 3
  • 5
  • 2
TopValue
89
HiddenCells
  • {"r":4,"c":3,"v":5}
  • {"r":0,"c":0,"v":89}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":0,"v":32}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":1,"v":21}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [45, _] → [_, 24, _] → [9, 12, _, _] → [_, 2, 10, _, 9]

Show answer

Answer: Row4[4]=11, Row2[2]=47, Row3[3]=23, Row5[4]=2, Row5[1]=7, Row4[3]=12, Row1[1]=92, Row3[1]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [45,47]
  • [21,24,23]
  • [9,12,12,11]
  • [7,2,10,2,9]
Base
  • 7
  • 2
  • 10
  • 2
  • 9
TopValue
92
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":1,"c":1,"v":47}
  • {"r":2,"c":2,"v":23}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":2,"v":12}
  • {"r":0,"c":0,"v":92}
  • {"r":2,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 59] → [_, _, 28] → [13, _, _, 13] → [6, _, _, 6, 7]

Show answer

Answer: Row1[1]=119, Row4[3]=15, Row2[1]=60, Row4[2]=16, Row5[3]=9, Row3[1]=29, Row5[2]=7, Row3[2]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [60,59]
  • [29,31,28]
  • [13,16,15,13]
  • [6,7,9,6,7]
Base
  • 6
  • 7
  • 9
  • 6
  • 7
TopValue
119
HiddenCells
  • {"r":0,"c":0,"v":119}
  • {"r":3,"c":2,"v":15}
  • {"r":1,"c":0,"v":60}
  • {"r":3,"c":1,"v":16}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":0,"v":29}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":1,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [101] → [51, _] → [25, _, _] → [12, 13, _, 11] → [_, _, 4, _, _]

Show answer

Answer: Row3[3]=24, Row5[4]=9, Row2[2]=50, Row4[3]=13, Row5[5]=2, Row5[2]=9, Row5[1]=3, Row3[2]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [51,50]
  • [25,26,24]
  • [12,13,13,11]
  • [3,9,4,9,2]
Base
  • 3
  • 9
  • 4
  • 9
  • 2
TopValue
101
HiddenCells
  • {"r":2,"c":2,"v":24}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":1,"v":50}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":1,"v":26}