easy Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 16] → [_, 8, 8]

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Answer: Row2[1]=9, Row3[1]=1

SubType
number-pyramid
Difficulty
easy
Levels
  • [25]
  • [9,16]
  • [1,8,8]
Base
  • 1
  • 8
  • 8
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"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): [34] → [_, 17] → [9, 8, _]

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Answer: Row2[1]=17, Row3[3]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [34]
  • [17,17]
  • [9,8,9]
Base
  • 9
  • 8
  • 9
TopValue
34
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"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] → [2, 10, 5]

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Answer: Row2[1]=12, Row1[1]=27

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [12,15]
  • [2,10,5]
Base
  • 2
  • 10
  • 5
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":0,"c":0,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 2] → [_, 1, 1]

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Answer: Row3[1]=7, Row1[1]=10

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