expert Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, 19] → [2, 9, _]

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Answer: Row2[1]=11, Row3[3]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [11,19]
  • [2,9,10]
Base
  • 2
  • 9
  • 10
TopValue
30
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 13] → [_, 9, 4]

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Answer: Row2[1]=18, Row3[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [18,13]
  • [9,9,4]
Base
  • 9
  • 9
  • 4
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 16] → [6, 6, _]

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Answer: Row3[3]=10, Row2[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [12,16]
  • [6,6,10]
Base
  • 6
  • 6
  • 10
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 13] → [_, 7, 6]

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Answer: Row2[1]=10, Row3[1]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [10,13]
  • [3,7,6]
Base
  • 3
  • 7
  • 6
TopValue
23
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":0,"v":3}