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): [_] → [9, _] → [7, 2, 2]

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Answer: Row2[2]=4, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [9,4]
  • [7,2,2]
Base
  • 7
  • 2
  • 2
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":4}
  • {"r":0,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [19, 13] → [_, _, 3]

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Answer: Row3[1]=9, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [19,13]
  • [9,10,3]
Base
  • 9
  • 10
  • 3
TopValue
32
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [12, 11] → [_, _, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [12,11]
  • [10,2,9]
Base
  • 10
  • 2
  • 9
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 6] → [_, 2, 4]

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Answer: Row3[1]=7, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [9,6]
  • [7,2,4]
Base
  • 7
  • 2
  • 4
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":0,"v":9}