expert 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): [_] → [2, 9] → [1, 1, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [11]
  • [2,9]
  • [1,1,8]
Base
  • 1
  • 1
  • 8
TopValue
11
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":0,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [13, _] → [_, 8, 5]

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Answer: Row2[2]=13, Row3[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [13,13]
  • [5,8,5]
Base
  • 5
  • 8
  • 5
TopValue
26
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, 7] → [_, 4, 3]

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Answer: Row3[1]=2, Row2[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [6,7]
  • [2,4,3]
Base
  • 2
  • 4
  • 3
TopValue
13
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [6, 5, 4]

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Answer: Row2[2]=9, Row1[1]=20

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [11,9]
  • [6,5,4]
Base
  • 6
  • 5
  • 4
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":0,"c":0,"v":20}