easy Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 15] → [_, 7, 8]

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Answer: Row1[1]=23, Row3[1]=1

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [8,15]
  • [1,7,8]
Base
  • 1
  • 7
  • 8
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":2,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 9] → [_, 5, 4]

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Answer: Row1[1]=22, Row3[1]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [22]
  • [13,9]
  • [8,5,4]
Base
  • 8
  • 5
  • 4
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"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): [_] → [10, 15] → [3, _, 8]

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Answer: Row3[2]=7, Row1[1]=25

SubType
number-pyramid
Difficulty
easy
Levels
  • [25]
  • [10,15]
  • [3,7,8]
Base
  • 3
  • 7
  • 8
TopValue
25
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":0,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 13] → [_, 9, 4]

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Answer: Row2[1]=14, Row3[1]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [14,13]
  • [5,9,4]
Base
  • 5
  • 9
  • 4
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"c":0,"v":5}