hard Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 51] → [24, _, 26] → [_, _, _, 11] → [9, _, _, 10, 1]

Show answer

Answer: Row5[3]=5, Row4[2]=10, Row5[2]=5, Row2[1]=49, Row4[3]=15, Row3[2]=25, Row1[1]=100, Row4[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [49,51]
  • [24,25,26]
  • [14,10,15,11]
  • [9,5,5,10,1]
Base
  • 9
  • 5
  • 5
  • 10
  • 1
TopValue
100
HiddenCells
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":1,"v":5}
  • {"r":1,"c":0,"v":49}
  • {"r":3,"c":2,"v":15}
  • {"r":2,"c":1,"v":25}
  • {"r":0,"c":0,"v":100}
  • {"r":3,"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): [_] → [24, _] → [15, _, 19] → [_, 4, _, _] → [8, _, 1, _, 10]

Show answer

Answer: Row3[2]=9, Row5[2]=3, Row4[1]=11, Row4[3]=5, Row2[2]=28, Row5[4]=4, Row4[4]=14, Row1[1]=52

SubType
number-pyramid
Difficulty
hard
Levels
  • [52]
  • [24,28]
  • [15,9,19]
  • [11,4,5,14]
  • [8,3,1,4,10]
Base
  • 8
  • 3
  • 1
  • 4
  • 10
TopValue
52
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":1,"v":28}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":3,"v":14}
  • {"r":0,"c":0,"v":52}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [21, 26, _] → [_, 11, _, 11] → [_, 4, 7, _, 3]

Show answer

Answer: Row1[1]=99, Row3[3]=26, Row2[1]=47, Row4[1]=10, Row5[1]=6, Row5[4]=8, Row2[2]=52, Row4[3]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [47,52]
  • [21,26,26]
  • [10,11,15,11]
  • [6,4,7,8,3]
Base
  • 6
  • 4
  • 7
  • 8
  • 3
TopValue
99
HiddenCells
  • {"r":0,"c":0,"v":99}
  • {"r":2,"c":2,"v":26}
  • {"r":1,"c":0,"v":47}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":1,"v":52}
  • {"r":3,"c":2,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 54] → [_, 24, 30] → [10, 10, _, 16] → [_, _, 5, _, _]

Show answer

Answer: Row5[2]=5, Row5[1]=5, Row5[5]=7, Row3[1]=20, Row2[1]=44, Row4[3]=14, Row5[4]=9, Row1[1]=98

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [44,54]
  • [20,24,30]
  • [10,10,14,16]
  • [5,5,5,9,7]
Base
  • 5
  • 5
  • 5
  • 9
  • 7
TopValue
98
HiddenCells
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":0,"v":20}
  • {"r":1,"c":0,"v":44}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":3,"v":9}
  • {"r":0,"c":0,"v":98}