hard Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, _] → [13, 17, 22] → [_, 7, _, 12] → [5, _, _, _, _]

Show answer

Answer: Row4[3]=10, Row1[1]=69, Row5[4]=4, Row4[1]=6, Row5[5]=8, Row2[2]=39, Row5[2]=1, Row5[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [30,39]
  • [13,17,22]
  • [6,7,10,12]
  • [5,1,6,4,8]
Base
  • 5
  • 1
  • 6
  • 4
  • 8
TopValue
69
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":0,"c":0,"v":69}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":1,"v":39}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, 48] → [_, _, _] → [_, 9, 14, 11] → [_, _, 8, _, 5]

Show answer

Answer: Row3[2]=23, Row3[3]=25, Row3[1]=13, Row4[1]=4, Row5[2]=1, Row1[1]=84, Row5[1]=3, Row5[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [36,48]
  • [13,23,25]
  • [4,9,14,11]
  • [3,1,8,6,5]
Base
  • 3
  • 1
  • 8
  • 6
  • 5
TopValue
84
HiddenCells
  • {"r":2,"c":1,"v":23}
  • {"r":2,"c":2,"v":25}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":0,"v":4}
  • {"r":4,"c":1,"v":1}
  • {"r":0,"c":0,"v":84}
  • {"r":4,"c":0,"v":3}
  • {"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): [125] → [_, 67] → [28, 30, 37] → [_, 13, _, 20] → [_, _, _, _, _]

Show answer

Answer: Row2[1]=58, Row5[1]=9, Row5[3]=7, Row4[3]=17, Row5[4]=10, Row5[2]=6, Row4[1]=15, Row5[5]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [125]
  • [58,67]
  • [28,30,37]
  • [15,13,17,20]
  • [9,6,7,10,10]
Base
  • 9
  • 6
  • 7
  • 10
  • 10
TopValue
125
HiddenCells
  • {"r":1,"c":0,"v":58}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":2,"v":17}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":4,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [107] → [59, _] → [_, _, _] → [15, _, 12, 8] → [5, _, 6, _, _]

Show answer

Answer: Row2[2]=48, Row4[2]=16, Row3[3]=20, Row5[2]=10, Row3[1]=31, Row5[5]=2, Row5[4]=6, Row3[2]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [59,48]
  • [31,28,20]
  • [15,16,12,8]
  • [5,10,6,6,2]
Base
  • 5
  • 10
  • 6
  • 6
  • 2
TopValue
107
HiddenCells
  • {"r":1,"c":1,"v":48}
  • {"r":3,"c":1,"v":16}
  • {"r":2,"c":2,"v":20}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":0,"v":31}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":1,"v":28}