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): [_] → [10, _] → [7, 3, 7]

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Answer: Row2[2]=10, Row1[1]=20

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [7,3,7]
Base
  • 7
  • 3
  • 7
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":0,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [3, _] → [1, 2, 6]

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Answer: Row1[1]=11, Row2[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [3,8]
  • [1,2,6]
Base
  • 1
  • 2
  • 6
TopValue
11
HiddenCells
  • {"r":0,"c":0,"v":11}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [5, _] → [_, 1, 9]

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Answer: Row2[2]=10, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [5,10]
  • [4,1,9]
Base
  • 4
  • 1
  • 9
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [6, 5] → [_, _, 4]

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Answer: Row3[2]=1, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [6,5]
  • [5,1,4]
Base
  • 5
  • 1
  • 4
TopValue
11
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":2,"c":0,"v":5}