starter Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 14] → [4, 10, _]

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Answer: Row3[3]=4, Row1[1]=28

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [14,14]
  • [4,10,4]
Base
  • 4
  • 10
  • 4
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":0,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [11, _] → [9, 2, _]

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Answer: Row3[3]=10, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [9,2,10]
Base
  • 9
  • 2
  • 10
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"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): [18] → [8, 10] → [5, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [8,10]
  • [5,3,7]
Base
  • 5
  • 3
  • 7
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 10] → [6, 4, 6]

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Answer: Row1[1]=20, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [6,4,6]
Base
  • 6
  • 4
  • 6
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":1,"c":0,"v":10}