hard Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [32, _] → [_, _, 10] → [10, _, _, _] → [1, _, 1, _, 7]

Show answer

Answer: Row3[2]=12, Row5[2]=9, Row4[2]=10, Row4[3]=2, Row2[2]=22, Row5[4]=1, Row4[4]=8, Row3[1]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [32,22]
  • [20,12,10]
  • [10,10,2,8]
  • [1,9,1,1,7]
Base
  • 1
  • 9
  • 1
  • 1
  • 7
TopValue
54
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":1,"v":22}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [106] → [59, 47] → [_, _, 21] → [_, _, _, _] → [10, 8, _, 4, _]

Show answer

Answer: Row3[2]=26, Row4[3]=11, Row3[1]=33, Row4[2]=15, Row5[5]=6, Row4[4]=10, Row5[3]=7, Row4[1]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [59,47]
  • [33,26,21]
  • [18,15,11,10]
  • [10,8,7,4,6]
Base
  • 10
  • 8
  • 7
  • 4
  • 6
TopValue
106
HiddenCells
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":2,"v":11}
  • {"r":2,"c":0,"v":33}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 44] → [23, 20, _] → [_, 11, 9, _] → [3, 9, _, _, _]

Show answer

Answer: Row1[1]=87, Row5[5]=8, Row2[1]=43, Row4[4]=15, Row5[3]=2, Row3[3]=24, Row4[1]=12, Row5[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [43,44]
  • [23,20,24]
  • [12,11,9,15]
  • [3,9,2,7,8]
Base
  • 3
  • 9
  • 2
  • 7
  • 8
TopValue
87
HiddenCells
  • {"r":0,"c":0,"v":87}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":0,"v":43}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":2,"v":24}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [45, _] → [_, 26, _] → [_, _, 13, _] → [_, 3, _, 3, 5]

Show answer

Answer: Row5[3]=10, Row4[4]=8, Row3[1]=19, Row5[1]=3, Row4[1]=6, Row4[2]=13, Row3[3]=21, Row2[2]=47

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [45,47]
  • [19,26,21]
  • [6,13,13,8]
  • [3,3,10,3,5]
Base
  • 3
  • 3
  • 10
  • 3
  • 5
TopValue
92
HiddenCells
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":2,"v":21}
  • {"r":1,"c":1,"v":47}