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): [_] → [_, _] → [_, 31, 34] → [_, 15, _, 18] → [6, 7, _, _, 10]

Show answer

Answer: Row1[1]=124, Row5[4]=8, Row3[1]=28, Row5[3]=8, Row4[1]=13, Row2[1]=59, Row4[3]=16, Row2[2]=65

SubType
number-pyramid
Difficulty
hard
Levels
  • [124]
  • [59,65]
  • [28,31,34]
  • [13,15,16,18]
  • [6,7,8,8,10]
Base
  • 6
  • 7
  • 8
  • 8
  • 10
TopValue
124
HiddenCells
  • {"r":0,"c":0,"v":124}
  • {"r":4,"c":3,"v":8}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":0,"v":13}
  • {"r":1,"c":0,"v":59}
  • {"r":3,"c":2,"v":16}
  • {"r":1,"c":1,"v":65}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 37] → [_, 20, 19, 18] → [2, 10, _, _, 9]

Show answer

Answer: Row5[3]=10, Row3[2]=39, Row2[2]=76, Row3[1]=32, Row4[1]=12, Row2[1]=71, Row5[4]=9, Row1[1]=147

SubType
number-pyramid
Difficulty
hard
Levels
  • [147]
  • [71,76]
  • [32,39,37]
  • [12,20,19,18]
  • [2,10,10,9,9]
Base
  • 2
  • 10
  • 10
  • 9
  • 9
TopValue
147
HiddenCells
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":1,"v":39}
  • {"r":1,"c":1,"v":76}
  • {"r":2,"c":0,"v":32}
  • {"r":3,"c":0,"v":12}
  • {"r":1,"c":0,"v":71}
  • {"r":4,"c":3,"v":9}
  • {"r":0,"c":0,"v":147}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [19, _, _] → [_, 7, 12, 15] → [9, 3, _, _, 7]

Show answer

Answer: Row2[2]=46, Row4[1]=12, Row3[2]=19, Row1[1]=84, Row5[4]=8, Row5[3]=4, Row2[1]=38, Row3[3]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [38,46]
  • [19,19,27]
  • [12,7,12,15]
  • [9,3,4,8,7]
Base
  • 9
  • 3
  • 4
  • 8
  • 7
TopValue
84
HiddenCells
  • {"r":1,"c":1,"v":46}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":1,"v":19}
  • {"r":0,"c":0,"v":84}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":2,"v":4}
  • {"r":1,"c":0,"v":38}
  • {"r":2,"c":2,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [_, _] → [18, _, 23] → [_, 6, 10, _] → [_, 5, _, 9, _]

Show answer

Answer: Row5[1]=7, Row3[2]=16, Row4[1]=12, Row4[4]=13, Row2[2]=39, Row5[3]=1, Row2[1]=34, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [34,39]
  • [18,16,23]
  • [12,6,10,13]
  • [7,5,1,9,4]
Base
  • 7
  • 5
  • 1
  • 9
  • 4
TopValue
73
HiddenCells
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":3,"v":13}
  • {"r":1,"c":1,"v":39}
  • {"r":4,"c":2,"v":1}
  • {"r":1,"c":0,"v":34}
  • {"r":4,"c":4,"v":4}