starter Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [15, _] → [6, 9, _]

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Answer: Row2[2]=10, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [15,10]
  • [6,9,1]
Base
  • 6
  • 9
  • 1
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"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): [_] → [6, 4] → [5, _, 3]

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Answer: Row3[2]=1, Row1[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [6,4]
  • [5,1,3]
Base
  • 5
  • 1
  • 3
TopValue
10
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":0,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [12, _] → [4, 8, _]

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Answer: Row3[3]=8, Row2[2]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [12,16]
  • [4,8,8]
Base
  • 4
  • 8
  • 8
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 7] → [4, 4, _]

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Answer: Row3[3]=3, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [4,4,3]
Base
  • 4
  • 4
  • 3
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":0,"c":0,"v":15}