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): [_] → [11, 9] → [8, _, 6]

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Answer: Row1[1]=20, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [8,3,6]
Base
  • 8
  • 3
  • 6
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 4] → [5, 3, 1]

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Answer: Row2[1]=8, Row1[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [8,4]
  • [5,3,1]
Base
  • 5
  • 3
  • 1
TopValue
12
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":0,"c":0,"v":12}

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

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Answer: Row1[1]=24, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [12,12]
  • [5,7,5]
Base
  • 5
  • 7
  • 5
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [18, _] → [9, _, 9]

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Answer: Row3[2]=9, Row2[2]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [36]
  • [18,18]
  • [9,9,9]
Base
  • 9
  • 9
  • 9
TopValue
36
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":1,"v":18}