easy Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, _] → [2, 7, 4]

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Answer: Row2[2]=11, Row2[1]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [9,11]
  • [2,7,4]
Base
  • 2
  • 7
  • 4
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [16, _] → [_, 9, 9]

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Answer: Row2[2]=18, Row3[1]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [34]
  • [16,18]
  • [7,9,9]
Base
  • 7
  • 9
  • 9
TopValue
34
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":2,"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): [_] → [9, 6] → [4, 5, _]

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Answer: Row1[1]=15, Row3[3]=1

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [9,6]
  • [4,5,1]
Base
  • 4
  • 5
  • 1
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"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): [30] → [13, 17] → [_, _, 9]

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Answer: Row3[2]=8, Row3[1]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [30]
  • [13,17]
  • [5,8,9]
Base
  • 5
  • 8
  • 9
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":0,"v":5}