expert Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 13] → [8, 10, _]

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Answer: Row1[1]=31, Row3[3]=3

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [8, 5] → [7, _, _]

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Answer: Row3[3]=4, Row3[2]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [8,5]
  • [7,1,4]
Base
  • 7
  • 1
  • 4
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 10] → [_, 2, 8]

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Answer: Row3[1]=4, Row2[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [6,10]
  • [4,2,8]
Base
  • 4
  • 2
  • 8
TopValue
16
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"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): [_] → [10, 15] → [_, 5, 10]

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Answer: Row3[1]=5, Row1[1]=25

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [10,15]
  • [5,5,10]
Base
  • 5
  • 5
  • 10
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":0,"c":0,"v":25}