easy Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, 15] → [7, _, 7]

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Answer: Row2[1]=15, Row3[2]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [30]
  • [15,15]
  • [7,8,7]
Base
  • 7
  • 8
  • 7
TopValue
30
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"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): [_] → [_, 14] → [10, 7, 7]

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Answer: Row1[1]=31, Row2[1]=17

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [17,14]
  • [10,7,7]
Base
  • 10
  • 7
  • 7
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":1,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, _] → [7, 2, 9]

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Answer: Row2[2]=11, Row2[1]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [9,11]
  • [7,2,9]
Base
  • 7
  • 2
  • 9
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [6, 8] → [_, 5, 3]

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Answer: Row1[1]=14, Row3[1]=1

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