expert Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 11] → [3, _, 10]

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Answer: Row2[1]=4, Row3[2]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [4,11]
  • [3,1,10]
Base
  • 3
  • 1
  • 10
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 8] → [4, _, 2]

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Answer: Row2[1]=10, Row3[2]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [10,8]
  • [4,6,2]
Base
  • 4
  • 6
  • 2
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [6, 4] → [4, _, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [10]
  • [6,4]
  • [4,2,2]
Base
  • 4
  • 2
  • 2
TopValue
10
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"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): [28] → [11, _] → [1, 10, _]

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Answer: Row3[3]=7, Row2[2]=17

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [11,17]
  • [1,10,7]
Base
  • 1
  • 10
  • 7
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":1,"v":17}