expert Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 15] → [4, 6, _]

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Answer: Row3[3]=9, Row1[1]=25

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [10,15]
  • [4,6,9]
Base
  • 4
  • 6
  • 9
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":0,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [11, _] → [7, _, 6]

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Answer: Row2[2]=10, Row3[2]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [11,10]
  • [7,4,6]
Base
  • 7
  • 4
  • 6
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [12, 10] → [_, _, 4]

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Answer: Row3[1]=6, Row3[2]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [12,10]
  • [6,6,4]
Base
  • 6
  • 6
  • 4
TopValue
22
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [10, 3] → [_, 2, _]

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Answer: Row3[3]=1, Row3[1]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [10,3]
  • [8,2,1]
Base
  • 8
  • 2
  • 1
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"c":0,"v":8}