starter Set 73 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 11] → [3, _, 7]

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Answer: Row2[1]=7, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [7,11]
  • [3,4,7]
Base
  • 3
  • 4
  • 7
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 9] → [_, 5, 4]

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Answer: Row1[1]=23, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [14,9]
  • [9,5,4]
Base
  • 9
  • 5
  • 4
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"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): [_] → [19, 17] → [9, _, 7]

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Answer: Row1[1]=36, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [36]
  • [19,17]
  • [9,10,7]
Base
  • 9
  • 10
  • 7
TopValue
36
HiddenCells
  • {"r":0,"c":0,"v":36}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [_, 19] → [4, _, 10]

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Answer: Row2[1]=13, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [13,19]
  • [4,9,10]
Base
  • 4
  • 9
  • 10
TopValue
32
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":1,"v":9}