easy Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [13, _] → [8, _, 10]

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Answer: Row2[2]=15, Row3[2]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [28]
  • [13,15]
  • [8,5,10]
Base
  • 8
  • 5
  • 10
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 6] → [2, 2, 4]

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Answer: Row2[1]=4, Row1[1]=10

SubType
number-pyramid
Difficulty
easy
Levels
  • [10]
  • [4,6]
  • [2,2,4]
Base
  • 2
  • 2
  • 4
TopValue
10
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"r":0,"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): [21] → [_, _] → [3, 4, 10]

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Answer: Row2[2]=14, Row2[1]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [7,14]
  • [3,4,10]
Base
  • 3
  • 4
  • 10
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":1,"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): [_] → [7, 11] → [5, _, 9]

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Answer: Row3[2]=2, Row1[1]=18

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [7,11]
  • [5,2,9]
Base
  • 5
  • 2
  • 9
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":0,"c":0,"v":18}