expert Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 5] → [7, 3, _]

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Answer: Row1[1]=15, Row3[3]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [10,5]
  • [7,3,2]
Base
  • 7
  • 3
  • 2
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [11, _] → [3, _, 3]

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Answer: Row3[2]=8, Row2[2]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [11,11]
  • [3,8,3]
Base
  • 3
  • 8
  • 3
TopValue
22
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [12, _] → [_, 10, 7]

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Answer: Row2[2]=17, Row3[1]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [29]
  • [12,17]
  • [2,10,7]
Base
  • 2
  • 10
  • 7
TopValue
29
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":2,"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): [_] → [4, 9] → [3, 1, _]

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Answer: Row3[3]=8, Row1[1]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [4,9]
  • [3,1,8]
Base
  • 3
  • 1
  • 8
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":0,"c":0,"v":13}