easy Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 8] → [9, _, 7]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [10,8]
  • [9,1,7]
Base
  • 9
  • 1
  • 7
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":0,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 13] → [_, 6, 7]

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Answer: Row2[1]=7, 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":0,"v":7}
  • {"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): [_] → [_, 9] → [5, 7, 2]

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Answer: Row2[1]=12, Row1[1]=21

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [12,9]
  • [5,7,2]
Base
  • 5
  • 7
  • 2
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, 15] → [2, _, 10]

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Answer: Row3[2]=5, Row2[1]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [22]
  • [7,15]
  • [2,5,10]
Base
  • 2
  • 5
  • 10
TopValue
22
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":0,"v":7}