expert Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 13] → [_, 3, 10]

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Answer: Row2[1]=12, Row3[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [12,13]
  • [9,3,10]
Base
  • 9
  • 3
  • 10
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"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): [25] → [13, 12] → [_, 6, _]

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Answer: Row3[3]=6, Row3[1]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [13,12]
  • [7,6,6]
Base
  • 7
  • 6
  • 6
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 8] → [2, 1, 7]

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Answer: Row2[1]=3, Row1[1]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [11]
  • [3,8]
  • [2,1,7]
Base
  • 2
  • 1
  • 7
TopValue
11
HiddenCells
  • {"r":1,"c":0,"v":3}
  • {"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): [_] → [16, _] → [8, 8, 6]

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Answer: Row1[1]=30, Row2[2]=14

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [16,14]
  • [8,8,6]
Base
  • 8
  • 8
  • 6
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":1,"c":1,"v":14}