easy Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 17] → [3, 7, 10]

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Answer: Row1[1]=27, Row2[1]=10

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [10,17]
  • [3,7,10]
Base
  • 3
  • 7
  • 10
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":1,"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): [12] → [2, 10] → [_, 1, _]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [12]
  • [2,10]
  • [1,1,9]
Base
  • 1
  • 1
  • 9
TopValue
12
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"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): [27] → [11, 16] → [_, 8, _]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [11,16]
  • [3,8,8]
Base
  • 3
  • 8
  • 8
TopValue
27
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":0,"v":3}

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

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Answer: Row1[1]=25, Row3[3]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [25]
  • [15,10]
  • [10,5,5]
Base
  • 10
  • 5
  • 5
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":2,"c":2,"v":5}