starter Set 13 Form Exercise

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

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [6, 9, 8]

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Answer: Row2[2]=17, Row1[1]=32

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [15,17]
  • [6,9,8]
Base
  • 6
  • 9
  • 8
TopValue
32
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":0,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 12] → [7, _, 4]

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Answer: Row2[1]=15, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [15,12]
  • [7,8,4]
Base
  • 7
  • 8
  • 4
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"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): [26] → [12, _] → [_, 5, 9]

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Answer: Row3[1]=7, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [12,14]
  • [7,5,9]
Base
  • 7
  • 5
  • 9
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":1,"v":14}