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): [27] → [14, _] → [4, _, 3]

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Answer: Row3[2]=10, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [14,13]
  • [4,10,3]
Base
  • 4
  • 10
  • 3
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 14] → [_, 5, 9]

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Answer: Row2[1]=14, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [14,14]
  • [9,5,9]
Base
  • 9
  • 5
  • 9
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"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): [_] → [17, 19] → [7, 10, _]

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Answer: Row1[1]=36, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [36]
  • [17,19]
  • [7,10,9]
Base
  • 7
  • 10
  • 9
TopValue
36
HiddenCells
  • {"r":0,"c":0,"v":36}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [8] → [4, _] → [_, 1, 3]

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Answer: Row3[1]=3, Row2[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [8]
  • [4,4]
  • [3,1,3]
Base
  • 3
  • 1
  • 3
TopValue
8
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":1,"v":4}