starter Set 13 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 10] → [_, 5, 5]

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Answer: Row3[1]=8, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [13,10]
  • [8,5,5]
Base
  • 8
  • 5
  • 5
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":0,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [17, _] → [10, _, 5]

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Answer: Row3[2]=7, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [17,12]
  • [10,7,5]
Base
  • 10
  • 7
  • 5
TopValue
29
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, 12] → [9, 3, _]

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Answer: Row3[3]=9, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [12,12]
  • [9,3,9]
Base
  • 9
  • 3
  • 9
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 6] → [8, 1, 5]

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Answer: Row2[1]=9, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [9,6]
  • [8,1,5]
Base
  • 8
  • 1
  • 5
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":0,"c":0,"v":15}