starter Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [12, 9] → [6, _, _]

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Answer: Row3[3]=3, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [6,6,3]
Base
  • 6
  • 6
  • 3
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"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): [32] → [15, 17] → [_, _, 7]

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Answer: Row3[2]=10, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [15,17]
  • [5,10,7]
Base
  • 5
  • 10
  • 7
TopValue
32
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, _] → [7, 3, 5]

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Answer: Row1[1]=18, Row2[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [10,8]
  • [7,3,5]
Base
  • 7
  • 3
  • 5
TopValue
18
HiddenCells
  • {"r":0,"c":0,"v":18}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [14, _] → [6, 8, _]

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Answer: Row2[2]=18, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [14,18]
  • [6,8,10]
Base
  • 6
  • 8
  • 10
TopValue
32
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":2,"v":10}