starter Set 64 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 13] → [_, 4, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [8,13]
  • [4,4,9]
Base
  • 4
  • 4
  • 9
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [9, _] → [7, _, 6]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [9,8]
  • [7,2,6]
Base
  • 7
  • 2
  • 6
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [4, 7, 3]

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Answer: Row1[1]=21, Row2[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [11,10]
  • [4,7,3]
Base
  • 4
  • 7
  • 3
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 11] → [4, 4, _]

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Answer: Row3[3]=7, Row2[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [8,11]
  • [4,4,7]
Base
  • 4
  • 4
  • 7
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":0,"v":8}