starter Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 9] → [2, _, 1]

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Answer: Row2[1]=10, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [10,9]
  • [2,8,1]
Base
  • 2
  • 8
  • 1
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"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): [24] → [9, 15] → [_, _, 8]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [9,15]
  • [2,7,8]
Base
  • 2
  • 7
  • 8
TopValue
24
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, 14] → [6, _, 4]

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Answer: Row3[2]=10, Row1[1]=30

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [16,14]
  • [6,10,4]
Base
  • 6
  • 10
  • 4
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":0,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [16, 13] → [_, 9, _]

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Answer: Row3[1]=7, Row3[3]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [16,13]
  • [7,9,4]
Base
  • 7
  • 9
  • 4
TopValue
29
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":2,"v":4}