starter Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [9, 2, 6]

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Answer: Row1[1]=19, Row2[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [11,8]
  • [9,2,6]
Base
  • 9
  • 2
  • 6
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"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): [25] → [15, 10] → [9, _, _]

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Answer: Row3[2]=6, Row3[3]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [15,10]
  • [9,6,4]
Base
  • 9
  • 6
  • 4
TopValue
25
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"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): [18] → [_, _] → [9, 2, 5]

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Answer: Row2[2]=7, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [9,2,5]
Base
  • 9
  • 2
  • 5
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"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): [21] → [10, _] → [3, _, 4]

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Answer: Row3[2]=7, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [3,7,4]
Base
  • 3
  • 7
  • 4
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":1,"v":11}