easy Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 5] → [_, 3, 2]

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Answer: Row2[1]=10, Row3[1]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [10,5]
  • [7,3,2]
Base
  • 7
  • 3
  • 2
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 9] → [9, 2, 7]

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Answer: Row1[1]=20, Row2[1]=11

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [11,9]
  • [9,2,7]
Base
  • 9
  • 2
  • 7
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [10, _] → [6, 4, _]

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Answer: Row3[3]=5, Row2[2]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [19]
  • [10,9]
  • [6,4,5]
Base
  • 6
  • 4
  • 5
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":1,"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] → [_, 3, 8]

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Answer: Row2[1]=10, Row3[1]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [10,11]
  • [7,3,8]
Base
  • 7
  • 3
  • 8
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":0,"v":7}