easy Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [7, _] → [_, 4, 7]

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Answer: Row2[2]=11, Row3[1]=3

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [7,11]
  • [3,4,7]
Base
  • 3
  • 4
  • 7
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [17, _] → [8, _, 3]

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Answer: Row3[2]=9, Row2[2]=12

SubType
number-pyramid
Difficulty
easy
Levels
  • [29]
  • [17,12]
  • [8,9,3]
Base
  • 8
  • 9
  • 3
TopValue
29
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, _] → [2, 3, 5]

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Answer: Row2[2]=8, Row2[1]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [13]
  • [5,8]
  • [2,3,5]
Base
  • 2
  • 3
  • 5
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":1,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 12] → [_, 3, 9]

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Answer: Row1[1]=24, Row3[1]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [12,12]
  • [9,3,9]
Base
  • 9
  • 3
  • 9
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"r":2,"c":0,"v":9}