hard Set 34 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [107] → [_, _] → [_, _, 31] → [9, _, 17, _] → [6, 3, _, 9, _]

Show answer

Answer: Row2[2]=59, Row3[1]=20, Row5[5]=5, Row3[2]=28, Row2[1]=48, Row4[4]=14, Row4[2]=11, Row5[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [48,59]
  • [20,28,31]
  • [9,11,17,14]
  • [6,3,8,9,5]
Base
  • 6
  • 3
  • 8
  • 9
  • 5
TopValue
107
HiddenCells
  • {"r":1,"c":1,"v":59}
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":1,"v":28}
  • {"r":1,"c":0,"v":48}
  • {"r":3,"c":3,"v":14}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [30, 34, 28] → [13, 17, _, _] → [6, _, _, _, 4]

Show answer

Answer: Row4[4]=11, Row5[3]=10, Row5[4]=7, Row1[1]=126, Row4[3]=17, Row2[2]=62, Row2[1]=64, Row5[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [126]
  • [64,62]
  • [30,34,28]
  • [13,17,17,11]
  • [6,7,10,7,4]
Base
  • 6
  • 7
  • 10
  • 7
  • 4
TopValue
126
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":3,"v":7}
  • {"r":0,"c":0,"v":126}
  • {"r":3,"c":2,"v":17}
  • {"r":1,"c":1,"v":62}
  • {"r":1,"c":0,"v":64}
  • {"r":4,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [145] → [_, _] → [35, _, _] → [17, _, _, _] → [7, 10, 8, 10, _]

Show answer

Answer: Row2[1]=71, Row2[2]=74, Row5[5]=10, Row4[4]=20, Row4[2]=18, Row3[2]=36, Row3[3]=38, Row4[3]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [145]
  • [71,74]
  • [35,36,38]
  • [17,18,18,20]
  • [7,10,8,10,10]
Base
  • 7
  • 10
  • 8
  • 10
  • 10
TopValue
145
HiddenCells
  • {"r":1,"c":0,"v":71}
  • {"r":1,"c":1,"v":74}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":3,"v":20}
  • {"r":3,"c":1,"v":18}
  • {"r":2,"c":1,"v":36}
  • {"r":2,"c":2,"v":38}
  • {"r":3,"c":2,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [100] → [45, _] → [20, _, _] → [_, 10, _, _] → [5, 5, _, 10, _]

Show answer

Answer: Row4[1]=10, Row4[3]=15, Row3[3]=30, Row5[3]=5, Row3[2]=25, Row2[2]=55, Row4[4]=15, Row5[5]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [45,55]
  • [20,25,30]
  • [10,10,15,15]
  • [5,5,5,10,5]
Base
  • 5
  • 5
  • 5
  • 10
  • 5
TopValue
100
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":2,"v":15}
  • {"r":2,"c":2,"v":30}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":1,"v":25}
  • {"r":1,"c":1,"v":55}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":4,"v":5}