starter Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [13, _] → [9, 4, _]

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Answer: Row2[2]=12, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [13,12]
  • [9,4,8]
Base
  • 9
  • 4
  • 8
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"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): [_] → [19, _] → [10, 9, 5]

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Answer: Row1[1]=33, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [19,14]
  • [10,9,5]
Base
  • 10
  • 9
  • 5
TopValue
33
HiddenCells
  • {"r":0,"c":0,"v":33}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [15, _] → [_, 6, 10]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [15,16]
  • [9,6,10]
Base
  • 9
  • 6
  • 10
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":2,"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): [_] → [9, _] → [1, 8, 6]

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Answer: Row2[2]=14, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [9,14]
  • [1,8,6]
Base
  • 1
  • 8
  • 6
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":0,"c":0,"v":23}