hard Set 48 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [23, _, _] → [13, 10, 10, 12] → [_, _, 7, _, 9]

Show answer

Answer: Row3[3]=22, Row1[1]=85, Row5[2]=3, Row3[2]=20, Row2[1]=43, Row5[4]=3, Row2[2]=42, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [43,42]
  • [23,20,22]
  • [13,10,10,12]
  • [10,3,7,3,9]
Base
  • 10
  • 3
  • 7
  • 3
  • 9
TopValue
85
HiddenCells
  • {"r":2,"c":2,"v":22}
  • {"r":0,"c":0,"v":85}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":1,"v":20}
  • {"r":1,"c":0,"v":43}
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":1,"v":42}
  • {"r":4,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [_, _, _] → [_, 13, 5, 8] → [7, _, 4, 1, _]

Show answer

Answer: Row3[2]=18, Row3[3]=13, Row5[2]=9, Row2[1]=47, Row5[5]=7, Row3[1]=29, Row1[1]=78, Row4[1]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [47,31]
  • [29,18,13]
  • [16,13,5,8]
  • [7,9,4,1,7]
Base
  • 7
  • 9
  • 4
  • 1
  • 7
TopValue
78
HiddenCells
  • {"r":2,"c":1,"v":18}
  • {"r":2,"c":2,"v":13}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":0,"v":47}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":0,"v":29}
  • {"r":0,"c":0,"v":78}
  • {"r":3,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [133] → [_, 71] → [28, 34, _] → [_, 14, _, _] → [_, 4, _, _, 7]

Show answer

Answer: Row4[3]=20, Row4[4]=17, Row3[3]=37, Row5[4]=10, Row5[1]=10, Row5[3]=10, Row4[1]=14, Row2[1]=62

SubType
number-pyramid
Difficulty
hard
Levels
  • [133]
  • [62,71]
  • [28,34,37]
  • [14,14,20,17]
  • [10,4,10,10,7]
Base
  • 10
  • 4
  • 10
  • 10
  • 7
TopValue
133
HiddenCells
  • {"r":3,"c":2,"v":20}
  • {"r":3,"c":3,"v":17}
  • {"r":2,"c":2,"v":37}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":0,"v":14}
  • {"r":1,"c":0,"v":62}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [72] → [40, 32] → [_, _, 13] → [_, _, 8, 5] → [_, 5, _, _, _]

Show answer

Answer: Row5[3]=6, Row4[2]=11, Row5[4]=2, Row5[5]=3, Row4[1]=10, Row5[1]=5, Row3[2]=19, Row3[1]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [40,32]
  • [21,19,13]
  • [10,11,8,5]
  • [5,5,6,2,3]
Base
  • 5
  • 5
  • 6
  • 2
  • 3
TopValue
72
HiddenCells
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":1,"v":19}
  • {"r":2,"c":0,"v":21}