starter Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 8] → [2, 3, 5]

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Answer: Row2[1]=5, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [5,8]
  • [2,3,5]
Base
  • 2
  • 3
  • 5
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":5}
  • {"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): [14] → [_, _] → [1, 2, 9]

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Answer: Row2[1]=3, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [3,11]
  • [1,2,9]
Base
  • 1
  • 2
  • 9
TopValue
14
HiddenCells
  • {"r":1,"c":0,"v":3}
  • {"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): [17] → [10, 7] → [_, 4, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [10,7]
  • [6,4,3]
Base
  • 6
  • 4
  • 3
TopValue
17
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [7, 15] → [1, _, _]

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Answer: Row3[2]=6, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [7,15]
  • [1,6,9]
Base
  • 1
  • 6
  • 9
TopValue
22
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":2,"c":2,"v":9}