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): [_] → [36, 28] → [19, _, _] → [_, 9, 8, 3]

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Answer: Row1[1]=64, Row4[1]=10, Row3[3]=11, Row3[2]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [64]
  • [36,28]
  • [19,17,11]
  • [10,9,8,3]
Base
  • 10
  • 9
  • 8
  • 3
TopValue
64
HiddenCells
  • {"r":0,"c":0,"v":64}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":2,"v":11}
  • {"r":2,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 13] → [_, 5, 8] → [3, 3, _, 6]

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Answer: Row3[1]=6, Row2[1]=11, Row1[1]=24, Row4[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [24]
  • [11,13]
  • [6,5,8]
  • [3,3,2,6]
Base
  • 3
  • 3
  • 2
  • 6
TopValue
24
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":1,"c":0,"v":11}
  • {"r":0,"c":0,"v":24}
  • {"r":3,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [78] → [39, _] → [19, _, _] → [9, _, 10, 9]

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Answer: Row3[2]=20, Row2[2]=39, Row4[2]=10, Row3[3]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [78]
  • [39,39]
  • [19,20,19]
  • [9,10,10,9]
Base
  • 9
  • 10
  • 10
  • 9
TopValue
78
HiddenCells
  • {"r":2,"c":1,"v":20}
  • {"r":1,"c":1,"v":39}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":2,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [19, 15] → [10, _, _] → [_, _, 3, 3]

Show answer

Answer: Row4[2]=6, Row4[1]=4, Row3[3]=6, Row3[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [19,15]
  • [10,9,6]
  • [4,6,3,3]
Base
  • 4
  • 6
  • 3
  • 3
TopValue
34
HiddenCells
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":1,"v":9}