starter Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 15] → [_, 6, 9]

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Answer: Row3[1]=5, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [11,15]
  • [5,6,9]
Base
  • 5
  • 6
  • 9
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [_, 6] → [1, 5, _]

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Answer: Row2[1]=6, Row3[3]=1

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [15, _] → [_, 7, 9]

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Answer: Row2[2]=16, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [15,16]
  • [8,7,9]
Base
  • 8
  • 7
  • 9
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":2,"c":0,"v":8}

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

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Answer: Row1[1]=15, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [10,5]
  • [8,2,3]
Base
  • 8
  • 2
  • 3
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":1,"c":0,"v":10}