expert Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [11, 10] → [_, _, 4]

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Answer: Row3[1]=5, Row3[2]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [11,10]
  • [5,6,4]
Base
  • 5
  • 6
  • 4
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 8] → [_, 2, 6]

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Answer: Row1[1]=20, Row3[1]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [12,8]
  • [10,2,6]
Base
  • 10
  • 2
  • 6
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 13] → [10, 4, _]

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Answer: Row2[1]=14, Row3[3]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [14,13]
  • [10,4,9]
Base
  • 10
  • 4
  • 9
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"c":2,"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] → [_, 10, 3]

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Answer: Row3[1]=2, Row2[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [12,13]
  • [2,10,3]
Base
  • 2
  • 10
  • 3
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":12}