expert Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [10, 5] → [_, _, 3]

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Answer: Row3[1]=8, Row3[2]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [10,5]
  • [8,2,3]
Base
  • 8
  • 2
  • 3
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 16] → [1, 10, _]

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Answer: Row3[3]=6, Row2[1]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [11,16]
  • [1,10,6]
Base
  • 1
  • 10
  • 6
TopValue
27
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":1,"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): [_] → [5, 7] → [2, 3, _]

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Answer: Row3[3]=4, Row1[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [12]
  • [5,7]
  • [2,3,4]
Base
  • 2
  • 3
  • 4
TopValue
12
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":0,"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): [_] → [9, _] → [3, 6, 1]

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Answer: Row1[1]=16, Row2[2]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [9,7]
  • [3,6,1]
Base
  • 3
  • 6
  • 1
TopValue
16
HiddenCells
  • {"r":0,"c":0,"v":16}
  • {"r":1,"c":1,"v":7}