starter Set 81 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 14] → [7, 4, 10]

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Answer: Row1[1]=25, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [11,14]
  • [7,4,10]
Base
  • 7
  • 4
  • 10
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"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): [19] → [_, 7] → [6, 6, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [12,7]
  • [6,6,1]
Base
  • 6
  • 6
  • 1
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"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): [_] → [11, 15] → [5, _, 9]

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Answer: Row1[1]=26, Row3[2]=6

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [3, 12] → [1, _, 10]

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Answer: Row3[2]=2, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [3,12]
  • [1,2,10]
Base
  • 1
  • 2
  • 10
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":0,"c":0,"v":15}