starter Set 13 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, _] → [9, 9, 7]

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Answer: Row2[2]=16, Row1[1]=34

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [18,16]
  • [9,9,7]
Base
  • 9
  • 9
  • 7
TopValue
34
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":0,"c":0,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 14] → [6, 9, 5]

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Answer: Row1[1]=29, Row2[1]=15

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 11] → [10, 2, _]

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Answer: Row3[3]=9, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [12,11]
  • [10,2,9]
Base
  • 10
  • 2
  • 9
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [16, 12] → [_, _, 2]

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Answer: Row3[1]=6, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [16,12]
  • [6,10,2]
Base
  • 6
  • 10
  • 2
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":1,"v":10}