easy Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 7] → [3, 5, 2]

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Answer: Row2[1]=8, Row1[1]=15

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [8,7]
  • [3,5,2]
Base
  • 3
  • 5
  • 2
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":0,"c":0,"v":15}

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

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, 13] → [10, 7, _]

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Answer: Row3[3]=6, Row2[1]=17

SubType
number-pyramid
Difficulty
easy
Levels
  • [30]
  • [17,13]
  • [10,7,6]
Base
  • 10
  • 7
  • 6
TopValue
30
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":1,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, _] → [8, 2, 9]

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Answer: Row2[2]=11, Row1[1]=21

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [10,11]
  • [8,2,9]
Base
  • 8
  • 2
  • 9
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":0,"c":0,"v":21}