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): [27] → [9, _] → [1, _, 10]

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Answer: Row2[2]=18, Row3[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [9,18]
  • [1,8,10]
Base
  • 1
  • 8
  • 10
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 12] → [3, 7, 5]

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Answer: Row2[1]=10, Row1[1]=22

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [10,12]
  • [3,7,5]
Base
  • 3
  • 7
  • 5
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":0,"c":0,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [15, 13] → [_, _, 3]

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Answer: Row3[2]=10, Row3[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [15,13]
  • [5,10,3]
Base
  • 5
  • 10
  • 3
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [19, 14] → [_, _, 5]

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Answer: Row3[1]=10, Row3[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [33]
  • [19,14]
  • [10,9,5]
Base
  • 10
  • 9
  • 5
TopValue
33
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":1,"v":9}