starter Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [11, 5] → [_, _, 1]

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Answer: Row3[1]=7, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [11,5]
  • [7,4,1]
Base
  • 7
  • 4
  • 1
TopValue
16
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 14] → [_, 4, 10]

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Answer: Row3[1]=5, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [9,14]
  • [5,4,10]
Base
  • 5
  • 4
  • 10
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":0,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, _] → [5, 3, 2]

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Answer: Row2[1]=8, Row2[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [8,5]
  • [5,3,2]
Base
  • 5
  • 3
  • 2
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":1,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 4] → [9, 2, _]

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Answer: Row3[3]=2, Row1[1]=15

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