expert Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, _] → [4, 1, 4]

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Answer: Row2[2]=5, Row1[1]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [10]
  • [5,5]
  • [4,1,4]
Base
  • 4
  • 1
  • 4
TopValue
10
HiddenCells
  • {"r":1,"c":1,"v":5}
  • {"r":0,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, _] → [8, 10, 6]

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Answer: Row2[1]=18, Row2[2]=16

SubType
number-pyramid
Difficulty
expert
Levels
  • [34]
  • [18,16]
  • [8,10,6]
Base
  • 8
  • 10
  • 6
TopValue
34
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 12] → [_, 4, 8]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [6,12]
  • [2,4,8]
Base
  • 2
  • 4
  • 8
TopValue
18
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): [20] → [11, 9] → [_, 3, _]

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Answer: Row3[3]=6, Row3[1]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [11,9]
  • [8,3,6]
Base
  • 8
  • 3
  • 6
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":0,"v":8}