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): [18] → [_, _] → [7, 1, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [8,10]
  • [7,1,9]
Base
  • 7
  • 1
  • 9
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":1,"c":0,"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, 13] → [_, _, 10]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [6,13]
  • [3,3,10]
Base
  • 3
  • 3
  • 10
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 14] → [8, _, 9]

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Answer: Row2[1]=13, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [13,14]
  • [8,5,9]
Base
  • 8
  • 5
  • 9
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 8] → [_, 6, 2]

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Answer: Row1[1]=15, Row3[1]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [7,8]
  • [1,6,2]
Base
  • 1
  • 6
  • 2
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":2,"c":0,"v":1}