starter Set 83 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, 11] → [8, _, _]

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Answer: Row3[2]=1, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [9,11]
  • [8,1,10]
Base
  • 8
  • 1
  • 10
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [13, 18] → [_, 8, _]

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Answer: Row3[3]=10, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [13,18]
  • [5,8,10]
Base
  • 5
  • 8
  • 10
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 11] → [2, 2, 9]

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Answer: Row2[1]=4, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [4,11]
  • [2,2,9]
Base
  • 2
  • 2
  • 9
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"r":0,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [7, 12] → [_, _, 6]

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Answer: Row3[2]=6, Row3[1]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [7,12]
  • [1,6,6]
Base
  • 1
  • 6
  • 6
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":2,"c":0,"v":1}