starter Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [12, _] → [6, 6, _]

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Answer: Row2[2]=15, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [12,15]
  • [6,6,9]
Base
  • 6
  • 6
  • 9
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"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): [23] → [10, _] → [2, _, 5]

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Answer: Row3[2]=8, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [10,13]
  • [2,8,5]
Base
  • 2
  • 8
  • 5
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [16, 15] → [9, _, _]

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Answer: Row3[2]=7, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [16,15]
  • [9,7,8]
Base
  • 9
  • 7
  • 8
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [4, 11] → [1, _, 8]

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Answer: Row3[2]=3, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [4,11]
  • [1,3,8]
Base
  • 1
  • 3
  • 8
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":0,"c":0,"v":15}