starter Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [_, _] → [1, 2, 7]

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Answer: Row2[2]=9, Row2[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [3,9]
  • [1,2,7]
Base
  • 1
  • 2
  • 7
TopValue
12
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":1,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [10, 15] → [_, _, 6]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [10,15]
  • [1,9,6]
Base
  • 1
  • 9
  • 6
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 5] → [7, 1, _]

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Answer: Row3[3]=4, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [8,5]
  • [7,1,4]
Base
  • 7
  • 1
  • 4
TopValue
13
HiddenCells
  • {"r":2,"c":2,"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): [29] → [_, 15] → [5, 9, _]

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Answer: Row2[1]=14, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [14,15]
  • [5,9,6]
Base
  • 5
  • 9
  • 6
TopValue
29
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"c":2,"v":6}