medium Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, 30] → [10, 13, _] → [6, _, 9, _]

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Answer: Row3[3]=17, Row4[2]=4, Row2[1]=23, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [23,30]
  • [10,13,17]
  • [6,4,9,8]
Base
  • 6
  • 4
  • 9
  • 8
TopValue
53
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":0,"v":23}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, _] → [16, 13, _] → [7, 9, _, 3]

Show answer

Answer: Row4[3]=4, Row2[1]=29, Row2[2]=20, Row3[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [29,20]
  • [16,13,7]
  • [7,9,4,3]
Base
  • 7
  • 9
  • 4
  • 3
TopValue
49
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":0,"v":29}
  • {"r":1,"c":1,"v":20}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [29, 23] → [_, _, 7] → [_, _, 6, 1]

Show answer

Answer: Row4[2]=10, Row3[2]=16, Row3[1]=13, Row4[1]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [29,23]
  • [13,16,7]
  • [3,10,6,1]
Base
  • 3
  • 10
  • 6
  • 1
TopValue
52
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":1,"v":16}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 19] → [10, 9, _] → [4, 6, _, _]

Show answer

Answer: Row4[4]=7, Row1[1]=38, Row3[3]=10, Row4[3]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [19,19]
  • [10,9,10]
  • [4,6,3,7]
Base
  • 4
  • 6
  • 3
  • 7
TopValue
38
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":0,"c":0,"v":38}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":2,"v":3}