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): [22] → [_, _] → [2, 9, 2]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [11,11]
  • [2,9,2]
Base
  • 2
  • 9
  • 2
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [11, 10] → [_, _, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [11,10]
  • [10,1,9]
Base
  • 10
  • 1
  • 9
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 7] → [8, _, 4]

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Answer: Row1[1]=18, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [8,3,4]
Base
  • 8
  • 3
  • 4
TopValue
18
HiddenCells
  • {"r":0,"c":0,"v":18}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, _] → [9, 1, 1]

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Answer: Row2[2]=2, Row1[1]=12

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