starter Set 54 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [4, 9] → [_, 2, 7]

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Answer: Row1[1]=13, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [4,9]
  • [2,2,7]
Base
  • 2
  • 2
  • 7
TopValue
13
HiddenCells
  • {"r":0,"c":0,"v":13}
  • {"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): [12] → [_, 4] → [6, _, 2]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [8,4]
  • [6,2,2]
Base
  • 6
  • 2
  • 2
TopValue
12
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 18] → [_, 9, 9]

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Answer: Row2[1]=13, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [13,18]
  • [4,9,9]
Base
  • 4
  • 9
  • 9
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 4] → [8, _, 2]

Show answer

Answer: Row3[2]=2, Row1[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [10,4]
  • [8,2,2]
Base
  • 8
  • 2
  • 2
TopValue
14
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":0,"c":0,"v":14}