starter Set 47 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [18, _] → [9, 9, _]

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Answer: Row3[3]=4, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [18,13]
  • [9,9,4]
Base
  • 9
  • 9
  • 4
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"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): [26] → [11, 15] → [_, _, 7]

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Answer: Row3[1]=3, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [11,15]
  • [3,8,7]
Base
  • 3
  • 8
  • 7
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [6, 5] → [3, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [6,5]
  • [3,3,2]
Base
  • 3
  • 3
  • 2
TopValue
11
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 15] → [_, 9, 6]

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Answer: Row1[1]=26, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [11,15]
  • [2,9,6]
Base
  • 2
  • 9
  • 6
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":2,"c":0,"v":2}