expert Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [12, 13] → [4, _, _]

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Answer: Row3[3]=5, Row3[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [12,13]
  • [4,8,5]
Base
  • 4
  • 8
  • 5
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 14] → [4, _, 7]

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Answer: Row2[1]=11, Row3[2]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [11,14]
  • [4,7,7]
Base
  • 4
  • 7
  • 7
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [_, 10] → [_, 1, 9]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [12]
  • [2,10]
  • [1,1,9]
Base
  • 1
  • 1
  • 9
TopValue
12
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":1,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 9] → [8, _, 5]

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Answer: Row1[1]=21, Row3[2]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [12,9]
  • [8,4,5]
Base
  • 8
  • 4
  • 5
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":2,"c":1,"v":4}