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): [24] → [11, 13] → [_, 9, _]

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Answer: Row3[3]=4, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [11,13]
  • [2,9,4]
Base
  • 2
  • 9
  • 4
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [4, 6] → [2, _, 4]

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Answer: Row1[1]=10, Row3[2]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [4,6]
  • [2,2,4]
Base
  • 2
  • 2
  • 4
TopValue
10
HiddenCells
  • {"r":0,"c":0,"v":10}
  • {"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): [20] → [10, _] → [7, _, 7]

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Answer: Row2[2]=10, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [7,3,7]
Base
  • 7
  • 3
  • 7
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 13] → [2, 10, 3]

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Answer: Row1[1]=25, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [12,13]
  • [2,10,3]
Base
  • 2
  • 10
  • 3
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":1,"c":0,"v":12}