easy Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [6, _] → [_, 5, 4]

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Answer: Row3[1]=1, Row2[2]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [6,9]
  • [1,5,4]
Base
  • 1
  • 5
  • 4
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [7, _] → [_, 6, 7]

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Answer: Row2[2]=13, Row3[1]=1

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [7,13]
  • [1,6,7]
Base
  • 1
  • 6
  • 7
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [12, _] → [4, 8, _]

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Answer: Row2[2]=17, Row3[3]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [29]
  • [12,17]
  • [4,8,9]
Base
  • 4
  • 8
  • 9
TopValue
29
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"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): [_] → [12, 18] → [_, 8, 10]

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Answer: Row3[1]=4, Row1[1]=30

SubType
number-pyramid
Difficulty
easy
Levels
  • [30]
  • [12,18]
  • [4,8,10]
Base
  • 4
  • 8
  • 10
TopValue
30
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":0,"c":0,"v":30}