starter Set 49 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, _] → [_, 4, 9]

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Answer: Row2[2]=13, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [11,13]
  • [7,4,9]
Base
  • 7
  • 4
  • 9
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 9] → [_, 6, 3]

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Answer: Row1[1]=17, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [8,9]
  • [2,6,3]
Base
  • 2
  • 6
  • 3
TopValue
17
HiddenCells
  • {"r":0,"c":0,"v":17}
  • {"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): [33] → [_, 19] → [4, _, 9]

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Answer: Row3[2]=10, Row2[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [14,19]
  • [4,10,9]
Base
  • 4
  • 10
  • 9
TopValue
33
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, _] → [8, 4, 3]

Show answer

Answer: Row2[1]=12, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [12,7]
  • [8,4,3]
Base
  • 8
  • 4
  • 3
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":1,"c":1,"v":7}