starter Set 44 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 20] → [1, _, 10]

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Answer: Row3[2]=10, Row1[1]=31

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [11,20]
  • [1,10,10]
Base
  • 1
  • 10
  • 10
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":0,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [4, _] → [1, 3, _]

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Answer: Row3[3]=9, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [4,12]
  • [1,3,9]
Base
  • 1
  • 3
  • 9
TopValue
16
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 8] → [_, 5, 3]

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Answer: Row3[1]=7, Row1[1]=20

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [12,8]
  • [7,5,3]
Base
  • 7
  • 5
  • 3
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":0,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [_, _] → [9, 9, 6]

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Answer: Row2[2]=15, Row2[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [18,15]
  • [9,9,6]
Base
  • 9
  • 9
  • 6
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":1,"c":0,"v":18}