starter Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 2] → [_, 1, 1]

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Answer: Row1[1]=11, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [9,2]
  • [8,1,1]
Base
  • 8
  • 1
  • 1
TopValue
11
HiddenCells
  • {"r":0,"c":0,"v":11}
  • {"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): [29] → [_, 18] → [1, 10, _]

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Answer: Row2[1]=11, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [11,18]
  • [1,10,8]
Base
  • 1
  • 10
  • 8
TopValue
29
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [_, 16] → [_, 7, 9]

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Answer: Row2[1]=17, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [17,16]
  • [10,7,9]
Base
  • 10
  • 7
  • 9
TopValue
33
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 16] → [1, _, 10]

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Answer: Row1[1]=23, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [7,16]
  • [1,6,10]
Base
  • 1
  • 6
  • 10
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":2,"c":1,"v":6}