starter Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 5] → [9, 1, _]

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Answer: Row3[3]=4, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [10,5]
  • [9,1,4]
Base
  • 9
  • 1
  • 4
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":1,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, _] → [3, 3, 6]

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Answer: Row2[2]=9, Row2[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [6,9]
  • [3,3,6]
Base
  • 3
  • 3
  • 6
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":1,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [6, 11] → [_, _, 8]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [6,11]
  • [3,3,8]
Base
  • 3
  • 3
  • 8
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, _] → [5, 7, 8]

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Answer: Row2[2]=15, Row1[1]=27

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [12,15]
  • [5,7,8]
Base
  • 5
  • 7
  • 8
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":0,"c":0,"v":27}