starter Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [18, _] → [8, 10, _]

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Answer: Row2[2]=13, Row3[3]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [18,13]
  • [8,10,3]
Base
  • 8
  • 10
  • 3
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 16] → [1, 10, 6]

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Answer: Row2[1]=11, Row1[1]=27

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [11,16]
  • [1,10,6]
Base
  • 1
  • 10
  • 6
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":0,"c":0,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, _] → [3, 2, 8]

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Answer: Row1[1]=15, Row2[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [5,10]
  • [3,2,8]
Base
  • 3
  • 2
  • 8
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [13, 14] → [4, _, _]

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Answer: Row3[2]=9, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [13,14]
  • [4,9,5]
Base
  • 4
  • 9
  • 5
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":2,"v":5}