starter Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [3, 6] → [2, _, 5]

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Answer: Row3[2]=1, Row1[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [9]
  • [3,6]
  • [2,1,5]
Base
  • 2
  • 1
  • 5
TopValue
9
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":0,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [11, 13] → [_, 9, _]

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Answer: Row3[1]=2, Row3[3]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [11,13]
  • [2,9,4]
Base
  • 2
  • 9
  • 4
TopValue
24
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [12, 4] → [_, _, 1]

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Answer: Row3[2]=3, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [12,4]
  • [9,3,1]
Base
  • 9
  • 3
  • 1
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [17, 11] → [_, _, 4]

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Answer: Row3[2]=7, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [17,11]
  • [10,7,4]
Base
  • 10
  • 7
  • 4
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":0,"v":10}