starter Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 18] → [4, 9, _]

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Answer: Row1[1]=31, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [13,18]
  • [4,9,9]
Base
  • 4
  • 9
  • 9
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 14] → [_, 8, 6]

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Answer: Row2[1]=13, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [13,14]
  • [5,8,6]
Base
  • 5
  • 8
  • 6
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"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): [23] → [_, 16] → [1, _, 10]

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Answer: Row2[1]=7, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [7,16]
  • [1,6,10]
Base
  • 1
  • 6
  • 10
TopValue
23
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 6] → [_, 3, 3]

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Answer: Row3[1]=10, Row1[1]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [13,6]
  • [10,3,3]
Base
  • 10
  • 3
  • 3
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":0,"c":0,"v":19}