starter Set 19 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 17] → [9, _, 8]

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Answer: Row3[2]=9, Row1[1]=35

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [18,17]
  • [9,9,8]
Base
  • 9
  • 9
  • 8
TopValue
35
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":0,"c":0,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 8] → [6, 1, _]

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Answer: Row3[3]=7, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [7,8]
  • [6,1,7]
Base
  • 6
  • 1
  • 7
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":0,"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): [12] → [5, 7] → [1, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [5,7]
  • [1,4,3]
Base
  • 1
  • 4
  • 3
TopValue
12
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [4, 7, 4]

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Answer: Row1[1]=22, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [11,11]
  • [4,7,4]
Base
  • 4
  • 7
  • 4
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"r":1,"c":1,"v":11}