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): [21] → [11, 10] → [_, _, 5]

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Answer: Row3[1]=6, Row3[2]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [11,10]
  • [6,5,5]
Base
  • 6
  • 5
  • 5
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [12, _] → [3, _, 3]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [12,12]
  • [3,9,3]
Base
  • 3
  • 9
  • 3
TopValue
24
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): [20] → [6, _] → [2, 4, _]

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Answer: Row3[3]=10, Row2[2]=14

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [6,14]
  • [2,4,10]
Base
  • 2
  • 4
  • 10
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [13, _] → [4, _, 9]

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Answer: Row2[2]=18, Row3[2]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [13,18]
  • [4,9,9]
Base
  • 4
  • 9
  • 9
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":1,"v":9}