starter Set 43 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [_, 6] → [5, _, 5]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [6,6]
  • [5,1,5]
Base
  • 5
  • 1
  • 5
TopValue
12
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"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): [31] → [16, 15] → [_, _, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [16,15]
  • [10,6,9]
Base
  • 10
  • 6
  • 9
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"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): [8] → [3, _] → [_, 2, 3]

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Answer: Row3[1]=1, Row2[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [8]
  • [3,5]
  • [1,2,3]
Base
  • 1
  • 2
  • 3
TopValue
8
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":1,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [1, 6, 9]

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Answer: Row2[1]=7, Row1[1]=22

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [7,15]
  • [1,6,9]
Base
  • 1
  • 6
  • 9
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":0,"c":0,"v":22}