starter Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [19, 12] → [10, _, _]

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Answer: Row3[3]=3, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [19,12]
  • [10,9,3]
Base
  • 10
  • 9
  • 3
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [11, 12] → [_, _, 9]

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Answer: Row3[2]=3, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [8,3,9]
Base
  • 8
  • 3
  • 9
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"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): [20] → [10, _] → [6, 4, _]

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Answer: Row3[3]=6, Row2[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [6,4,6]
Base
  • 6
  • 4
  • 6
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":1,"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): [9] → [5, _] → [_, 2, 2]

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Answer: Row3[1]=3, Row2[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [9]
  • [5,4]
  • [3,2,2]
Base
  • 3
  • 2
  • 2
TopValue
9
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":1,"v":4}