easy Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 13] → [2, 8, 5]

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Answer: Row1[1]=23, Row2[1]=10

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [10,13]
  • [2,8,5]
Base
  • 2
  • 8
  • 5
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"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): [_] → [10, 8] → [5, 5, _]

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Answer: Row1[1]=18, Row3[3]=3

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [10,8]
  • [5,5,3]
Base
  • 5
  • 5
  • 3
TopValue
18
HiddenCells
  • {"r":0,"c":0,"v":18}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [13, _] → [3, 10, _]

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Answer: Row3[3]=5, Row2[2]=15

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [_, 19] → [7, _, 10]

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Answer: Row2[1]=16, Row3[2]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [35]
  • [16,19]
  • [7,9,10]
Base
  • 7
  • 9
  • 10
TopValue
35
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":2,"c":1,"v":9}