starter Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [19, 13] → [_, 9, _]

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Answer: Row3[3]=4, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [19,13]
  • [10,9,4]
Base
  • 10
  • 9
  • 4
TopValue
32
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"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): [28] → [15, _] → [6, 9, _]

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Answer: Row3[3]=4, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [15,13]
  • [6,9,4]
Base
  • 6
  • 9
  • 4
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"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): [35] → [16, _] → [6, _, 9]

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Answer: Row2[2]=19, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [16,19]
  • [6,10,9]
Base
  • 6
  • 10
  • 9
TopValue
35
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"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): [12] → [_, 7] → [_, 4, 3]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [5,7]
  • [1,4,3]
Base
  • 1
  • 4
  • 3
TopValue
12
HiddenCells
  • {"r":1,"c":0,"v":5}
  • {"r":2,"c":0,"v":1}