expert Set 70 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 10] → [9, 9, _]

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Answer: Row2[1]=18, Row3[3]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [18,10]
  • [9,9,1]
Base
  • 9
  • 9
  • 1
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [4, _] → [2, 2, 1]

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Answer: Row2[2]=3, Row1[1]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [7]
  • [4,3]
  • [2,2,1]
Base
  • 2
  • 2
  • 1
TopValue
7
HiddenCells
  • {"r":1,"c":1,"v":3}
  • {"r":0,"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): [25] → [11, 14] → [1, _, _]

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Answer: Row3[3]=4, Row3[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [11,14]
  • [1,10,4]
Base
  • 1
  • 10
  • 4
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 16] → [_, 7, 9]

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Answer: Row1[1]=28, Row3[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [12,16]
  • [5,7,9]
Base
  • 5
  • 7
  • 9
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":2,"c":0,"v":5}