starter Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [9] → [5, _] → [3, 2, _]

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Answer: Row2[2]=4, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [9]
  • [5,4]
  • [3,2,2]
Base
  • 3
  • 2
  • 2
TopValue
9
HiddenCells
  • {"r":1,"c":1,"v":4}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 8] → [8, _, 3]

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Answer: Row3[2]=5, Row1[1]=21

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [13,8]
  • [8,5,3]
Base
  • 8
  • 5
  • 3
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [8, _] → [5, 3, _]

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Answer: Row3[3]=8, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [8,11]
  • [5,3,8]
Base
  • 5
  • 3
  • 8
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, 7] → [_, 5, 2]

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Answer: Row2[1]=15, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [15,7]
  • [10,5,2]
Base
  • 10
  • 5
  • 2
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":2,"c":0,"v":10}