starter Set 45 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [10, 10] → [_, _, 1]

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Answer: Row3[2]=9, Row3[1]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [1,9,1]
Base
  • 1
  • 9
  • 1
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [16, _] → [10, 6, _]

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Answer: Row3[3]=10, Row2[2]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [16,16]
  • [10,6,10]
Base
  • 10
  • 6
  • 10
TopValue
32
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, _] → [9, 9, 4]

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Answer: Row1[1]=31, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [18,13]
  • [9,9,4]
Base
  • 9
  • 9
  • 4
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 7] → [1, 1, 6]

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Answer: Row2[1]=2, Row1[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [9]
  • [2,7]
  • [1,1,6]
Base
  • 1
  • 1
  • 6
TopValue
9
HiddenCells
  • {"r":1,"c":0,"v":2}
  • {"r":0,"c":0,"v":9}