easy Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 16] → [_, 9, 7]

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Answer: Row2[1]=18, Row3[1]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [34]
  • [18,16]
  • [9,9,7]
Base
  • 9
  • 9
  • 7
TopValue
34
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":2,"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): [21] → [11, _] → [9, _, 8]

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Answer: Row2[2]=10, Row3[2]=2

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [7] → [2, 5] → [_, _, 4]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [7]
  • [2,5]
  • [1,1,4]
Base
  • 1
  • 1
  • 4
TopValue
7
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"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): [15] → [9, _] → [6, _, 3]

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Answer: Row3[2]=3, Row2[2]=6

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [9,6]
  • [6,3,3]
Base
  • 6
  • 3
  • 3
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":1,"v":6}