starter Set 73 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [11, 2] → [10, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [11,2]
  • [10,1,1]
Base
  • 10
  • 1
  • 1
TopValue
13
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, _] → [4, 10, 5]

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Answer: Row2[2]=15, Row2[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [14,15]
  • [4,10,5]
Base
  • 4
  • 10
  • 5
TopValue
29
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"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): [_] → [8, 15] → [2, 6, _]

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Answer: Row3[3]=9, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [8,15]
  • [2,6,9]
Base
  • 2
  • 6
  • 9
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"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): [_] → [11, 11] → [7, _, 7]

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Answer: Row1[1]=22, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [11,11]
  • [7,4,7]
Base
  • 7
  • 4
  • 7
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"r":2,"c":1,"v":4}