medium Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [31, 25] → [_, _, 10] → [6, 10, _, _]

Show answer

Answer: Row3[1]=16, Row4[4]=5, Row3[2]=15, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [31,25]
  • [16,15,10]
  • [6,10,5,5]
Base
  • 6
  • 10
  • 5
  • 5
TopValue
56
HiddenCells
  • {"r":2,"c":0,"v":16}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [18, 13, _] → [_, 8, 5, 8]

Show answer

Answer: Row2[2]=26, Row4[1]=10, Row1[1]=57, Row3[3]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [31,26]
  • [18,13,13]
  • [10,8,5,8]
Base
  • 10
  • 8
  • 5
  • 8
TopValue
57
HiddenCells
  • {"r":1,"c":1,"v":26}
  • {"r":3,"c":0,"v":10}
  • {"r":0,"c":0,"v":57}
  • {"r":2,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 25] → [11, 14, _] → [_, 6, _, 3]

Show answer

Answer: Row1[1]=50, Row4[3]=8, Row4[1]=5, Row3[3]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [25,25]
  • [11,14,11]
  • [5,6,8,3]
Base
  • 5
  • 6
  • 8
  • 3
TopValue
50
HiddenCells
  • {"r":0,"c":0,"v":50}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [_, 34] → [_, _, 17] → [_, 8, 9, 8]

Show answer

Answer: Row4[1]=7, Row3[2]=17, Row2[1]=32, Row3[1]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [32,34]
  • [15,17,17]
  • [7,8,9,8]
Base
  • 7
  • 8
  • 9
  • 8
TopValue
66
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":1,"v":17}
  • {"r":1,"c":0,"v":32}
  • {"r":2,"c":0,"v":15}