starter Set 42 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [12, _] → [_, 3, 7]

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Answer: Row2[2]=10, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [12,10]
  • [9,3,7]
Base
  • 9
  • 3
  • 7
TopValue
22
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"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): [_] → [_, 12] → [9, 7, 5]

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Answer: Row2[1]=16, Row1[1]=28

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [16,12]
  • [9,7,5]
Base
  • 9
  • 7
  • 5
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":0,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [9, 7] → [_, _, 3]

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Answer: Row3[2]=4, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [9,7]
  • [5,4,3]
Base
  • 5
  • 4
  • 3
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 8] → [2, 7, 1]

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Answer: Row2[1]=9, Row1[1]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [9,8]
  • [2,7,1]
Base
  • 2
  • 7
  • 1
TopValue
17
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":0,"c":0,"v":17}