starter Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 18] → [4, 9, _]

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Answer: Row3[3]=9, Row2[1]=13

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [8, 16] → [_, 6, _]

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Answer: Row3[3]=10, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [8,16]
  • [2,6,10]
Base
  • 2
  • 6
  • 10
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"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] → [6, 10] → [5, _, _]

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Answer: Row3[3]=9, Row3[2]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [6,10]
  • [5,1,9]
Base
  • 5
  • 1
  • 9
TopValue
16
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [14, 20] → [_, _, 10]

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Answer: Row3[2]=10, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [14,20]
  • [4,10,10]
Base
  • 4
  • 10
  • 10
TopValue
34
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":4}