hard Set 60 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [95] → [_, 56] → [_, _, 31] → [_, _, _, 16] → [_, 1, _, 6, 10]

Show answer

Answer: Row5[3]=9, Row4[3]=15, Row4[2]=10, Row2[1]=39, Row4[1]=4, Row3[2]=25, Row5[1]=3, Row3[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [39,56]
  • [14,25,31]
  • [4,10,15,16]
  • [3,1,9,6,10]
Base
  • 3
  • 1
  • 9
  • 6
  • 10
TopValue
95
HiddenCells
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":0,"v":39}
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, 53] → [_, _, _] → [7, _, _, 19] → [5, _, 4, _, 9]

Show answer

Answer: Row4[3]=14, Row5[2]=2, Row1[1]=86, Row3[3]=33, Row5[4]=10, Row4[2]=6, Row3[1]=13, Row3[2]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [33,53]
  • [13,20,33]
  • [7,6,14,19]
  • [5,2,4,10,9]
Base
  • 5
  • 2
  • 4
  • 10
  • 9
TopValue
86
HiddenCells
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":1,"v":2}
  • {"r":0,"c":0,"v":86}
  • {"r":2,"c":2,"v":33}
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":1,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [42, 43] → [21, 21, _] → [_, _, 10, _] → [3, _, _, _, _]

Show answer

Answer: Row4[4]=12, Row4[2]=11, Row5[3]=4, Row3[3]=22, Row5[5]=6, Row4[1]=10, Row5[2]=7, Row5[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [42,43]
  • [21,21,22]
  • [10,11,10,12]
  • [3,7,4,6,6]
Base
  • 3
  • 7
  • 4
  • 6
  • 6
TopValue
85
HiddenCells
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":2,"v":22}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [51, _] → [26, 25, 23] → [_, _, _, 13] → [_, 10, _, _, _]

Show answer

Answer: Row5[4]=5, Row4[3]=10, Row2[2]=48, Row5[5]=8, Row5[3]=5, Row5[1]=1, Row4[2]=15, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [51,48]
  • [26,25,23]
  • [11,15,10,13]
  • [1,10,5,5,8]
Base
  • 1
  • 10
  • 5
  • 5
  • 8
TopValue
99
HiddenCells
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":1,"v":48}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":1,"v":15}
  • {"r":3,"c":0,"v":11}