starter Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 12] → [_, 4, 8]

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Answer: Row1[1]=24, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [12,12]
  • [8,4,8]
Base
  • 8
  • 4
  • 8
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"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): [_] → [13, 10] → [10, _, 7]

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Answer: Row3[2]=3, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [13,10]
  • [10,3,7]
Base
  • 10
  • 3
  • 7
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":0,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, _] → [6, 3, 9]

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Answer: Row2[2]=12, Row1[1]=21

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [9,12]
  • [6,3,9]
Base
  • 6
  • 3
  • 9
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"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): [21] → [_, 9] → [_, 6, 3]

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Answer: Row3[1]=6, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [6,6,3]
Base
  • 6
  • 6
  • 3
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":1,"c":0,"v":12}