starter Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [9, _] → [6, 3, _]

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Answer: Row2[2]=11, Row3[3]=8

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 12] → [4, 5, 7]

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Answer: Row1[1]=21, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [9,12]
  • [4,5,7]
Base
  • 4
  • 5
  • 7
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [6, 5, 2]

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Answer: Row2[2]=7, Row1[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [6,5,2]
Base
  • 6
  • 5
  • 2
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":0,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 12] → [7, _, 3]

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Answer: Row2[1]=16, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [16,12]
  • [7,9,3]
Base
  • 7
  • 9
  • 3
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":2,"c":1,"v":9}