easy Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [9, 12] → [_, 7, _]

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Answer: Row3[3]=5, Row3[1]=2

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [16, _] → [_, 10, 1]

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Answer: Row3[1]=6, Row2[2]=11

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [16,11]
  • [6,10,1]
Base
  • 6
  • 10
  • 1
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [9] → [_, 4] → [3, _, 2]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [9]
  • [5,4]
  • [3,2,2]
Base
  • 3
  • 2
  • 2
TopValue
9
HiddenCells
  • {"r":1,"c":0,"v":5}
  • {"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): [_] → [_, 14] → [5, 8, 6]

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Answer: Row1[1]=27, Row2[1]=13

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [13,14]
  • [5,8,6]
Base
  • 5
  • 8
  • 6
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":1,"c":0,"v":13}