starter Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, _] → [2, 2, 9]

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Answer: Row2[2]=11, Row2[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [4,11]
  • [2,2,9]
Base
  • 2
  • 2
  • 9
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":1,"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): [_] → [8, 16] → [2, 6, _]

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Answer: Row1[1]=24, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [8,16]
  • [2,6,10]
Base
  • 2
  • 6
  • 10
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"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): [_] → [20, 13] → [_, 10, 3]

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Answer: Row1[1]=33, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [20,13]
  • [10,10,3]
Base
  • 10
  • 10
  • 3
TopValue
33
HiddenCells
  • {"r":0,"c":0,"v":33}
  • {"r":2,"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): [24] → [16, _] → [9, 7, _]

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Answer: Row3[3]=1, Row2[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [16,8]
  • [9,7,1]
Base
  • 9
  • 7
  • 1
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"c":1,"v":8}