starter Set 67 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, _] → [_, 8, 3]

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Answer: Row3[1]=1, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [9,11]
  • [1,8,3]
Base
  • 1
  • 8
  • 3
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"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): [13] → [7, 6] → [_, 3, _]

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Answer: Row3[3]=3, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [7,6]
  • [4,3,3]
Base
  • 4
  • 3
  • 3
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"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): [21] → [_, 6] → [10, 5, _]

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Answer: Row3[3]=1, Row2[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [15,6]
  • [10,5,1]
Base
  • 10
  • 5
  • 1
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"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): [33] → [_, 17] → [_, 10, 7]

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Answer: Row3[1]=6, Row2[1]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [16,17]
  • [6,10,7]
Base
  • 6
  • 10
  • 7
TopValue
33
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":1,"c":0,"v":16}