easy Set 75 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, _] → [4, 7, _]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [11,10]
  • [4,7,3]
Base
  • 4
  • 7
  • 3
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [11, _] → [9, _, 7]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [11,9]
  • [9,2,7]
Base
  • 9
  • 2
  • 7
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"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): [28] → [12, 16] → [_, _, 8]

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Answer: Row3[1]=4, Row3[2]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [28]
  • [12,16]
  • [4,8,8]
Base
  • 4
  • 8
  • 8
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [9] → [5, _] → [3, 2, _]

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Answer: Row3[3]=2, Row2[2]=4

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