starter Set 22 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [19, _] → [9, 10, _]

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Answer: Row2[2]=19, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [38]
  • [19,19]
  • [9,10,9]
Base
  • 9
  • 10
  • 9
TopValue
38
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 15] → [2, 6, _]

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Answer: Row3[3]=9, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [8,15]
  • [2,6,9]
Base
  • 2
  • 6
  • 9
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":0,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 9] → [_, 1, 8]

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Answer: Row3[1]=10, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [10,1,8]
Base
  • 10
  • 1
  • 8
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [_, _] → [4, 2, 6]

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Answer: Row2[2]=8, Row2[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [6,8]
  • [4,2,6]
Base
  • 4
  • 2
  • 6
TopValue
14
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":1,"c":0,"v":6}