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): [31] → [_, 17] → [_, 10, 7]

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Answer: Row2[1]=14, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [14,17]
  • [4,10,7]
Base
  • 4
  • 10
  • 7
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [19, _] → [9, 10, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [19,12]
  • [9,10,2]
Base
  • 9
  • 10
  • 2
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"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): [23] → [_, 9] → [7, 7, _]

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Answer: Row3[3]=2, Row2[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [14,9]
  • [7,7,2]
Base
  • 7
  • 7
  • 2
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":1,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, _] → [8, 1, 1]

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Answer: Row1[1]=11, Row2[2]=2

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