starter Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [13, _] → [_, 8, 9]

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Answer: Row2[2]=17, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [13,17]
  • [5,8,9]
Base
  • 5
  • 8
  • 9
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 9] → [_, 8, 1]

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Answer: Row3[1]=4, Row1[1]=21

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [4,8,1]
Base
  • 4
  • 8
  • 1
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, _] → [5, 9, 5]

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Answer: Row1[1]=28, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [14,14]
  • [5,9,5]
Base
  • 5
  • 9
  • 5
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 14] → [_, 9, 5]

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Answer: Row2[1]=13, Row3[1]=4

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