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): [20] → [7, 13] → [3, _, _]

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Answer: Row3[2]=4, Row3[3]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [7,13]
  • [3,4,9]
Base
  • 3
  • 4
  • 9
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":2,"v":9}

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

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Answer: Row2[1]=10, Row3[1]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [10,5]
  • [8,2,3]
Base
  • 8
  • 2
  • 3
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [5, 6, 5]

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Answer: Row2[2]=11, Row1[1]=22

SubType
number-pyramid
Difficulty
easy
Levels
  • [22]
  • [11,11]
  • [5,6,5]
Base
  • 5
  • 6
  • 5
TopValue
22
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":0,"c":0,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [16, 11] → [_, 9, _]

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Answer: Row3[3]=2, Row3[1]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [16,11]
  • [7,9,2]
Base
  • 7
  • 9
  • 2
TopValue
27
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":2,"c":0,"v":7}