starter Set 64 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 9] → [8, _, 8]

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Answer: Row3[2]=1, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [9,9]
  • [8,1,8]
Base
  • 8
  • 1
  • 8
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 16] → [4, _, 8]

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Answer: Row1[1]=28, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [12,16]
  • [4,8,8]
Base
  • 4
  • 8
  • 8
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 6] → [9, 4, _]

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Answer: Row2[1]=13, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [13,6]
  • [9,4,2]
Base
  • 9
  • 4
  • 2
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 15] → [4, 8, _]

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Answer: Row3[3]=7, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [12,15]
  • [4,8,7]
Base
  • 4
  • 8
  • 7
TopValue
27
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":0,"v":12}