hard Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [89] → [_, _] → [_, 23, _] → [7, 11, _, _] → [5, _, 9, _, 10]

Show answer

Answer: Row4[3]=12, Row3[3]=25, Row2[2]=48, Row2[1]=41, Row5[2]=2, Row4[4]=13, Row5[4]=3, Row3[1]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [41,48]
  • [18,23,25]
  • [7,11,12,13]
  • [5,2,9,3,10]
Base
  • 5
  • 2
  • 9
  • 3
  • 10
TopValue
89
HiddenCells
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":2,"v":25}
  • {"r":1,"c":1,"v":48}
  • {"r":1,"c":0,"v":41}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"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): [_] → [_, _] → [_, 14, 12] → [13, 11, _, _] → [4, 9, _, 1, _]

Show answer

Answer: Row5[5]=8, Row2[2]=26, Row4[4]=9, Row5[3]=2, Row4[3]=3, Row2[1]=38, Row1[1]=64, Row3[1]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [38,26]
  • [24,14,12]
  • [13,11,3,9]
  • [4,9,2,1,8]
Base
  • 4
  • 9
  • 2
  • 1
  • 8
TopValue
64
HiddenCells
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":1,"v":26}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":2,"v":3}
  • {"r":1,"c":0,"v":38}
  • {"r":0,"c":0,"v":64}
  • {"r":2,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [132] → [63, _] → [28, _, _] → [12, _, 19, 15] → [_, 7, _, _, _]

Show answer

Answer: Row5[4]=10, Row2[2]=69, Row3[3]=34, Row4[2]=16, Row3[2]=35, Row5[1]=5, Row5[5]=5, Row5[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [132]
  • [63,69]
  • [28,35,34]
  • [12,16,19,15]
  • [5,7,9,10,5]
Base
  • 5
  • 7
  • 9
  • 10
  • 5
TopValue
132
HiddenCells
  • {"r":4,"c":3,"v":10}
  • {"r":1,"c":1,"v":69}
  • {"r":2,"c":2,"v":34}
  • {"r":3,"c":1,"v":16}
  • {"r":2,"c":1,"v":35}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [100] → [_, 44] → [_, _, _] → [17, 14, _, 8] → [10, _, _, _, 4]

Show answer

Answer: Row3[1]=31, Row3[3]=19, Row5[4]=4, Row5[3]=7, Row5[2]=7, Row3[2]=25, Row4[3]=11, Row2[1]=56

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [56,44]
  • [31,25,19]
  • [17,14,11,8]
  • [10,7,7,4,4]
Base
  • 10
  • 7
  • 7
  • 4
  • 4
TopValue
100
HiddenCells
  • {"r":2,"c":0,"v":31}
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":1,"v":25}
  • {"r":3,"c":2,"v":11}
  • {"r":1,"c":0,"v":56}