starter Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [11, _] → [2, 9, _]

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Answer: Row2[2]=12, Row3[3]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [2,9,3]
Base
  • 2
  • 9
  • 3
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [2, _] → [1, 1, 4]

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Answer: Row1[1]=7, Row2[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [7]
  • [2,5]
  • [1,1,4]
Base
  • 1
  • 1
  • 4
TopValue
7
HiddenCells
  • {"r":0,"c":0,"v":7}
  • {"r":1,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 19] → [_, 9, 10]

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Answer: Row1[1]=38, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [38]
  • [19,19]
  • [10,9,10]
Base
  • 10
  • 9
  • 10
TopValue
38
HiddenCells
  • {"r":0,"c":0,"v":38}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [13, 19] → [_, 9, _]

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Answer: Row3[3]=10, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [13,19]
  • [4,9,10]
Base
  • 4
  • 9
  • 10
TopValue
32
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":0,"v":4}