starter Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 5] → [4, 4, 1]

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Answer: Row2[1]=8, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [8,5]
  • [4,4,1]
Base
  • 4
  • 4
  • 1
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"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): [_] → [_, 17] → [5, 8, 9]

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Answer: Row1[1]=30, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [13,17]
  • [5,8,9]
Base
  • 5
  • 8
  • 9
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":1,"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): [_] → [_, 13] → [6, 4, 9]

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Answer: Row1[1]=23, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [10,13]
  • [6,4,9]
Base
  • 6
  • 4
  • 9
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":1,"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): [_] → [19, 16] → [10, 9, _]

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Answer: Row3[3]=7, Row1[1]=35

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [19,16]
  • [10,9,7]
Base
  • 10
  • 9
  • 7
TopValue
35
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":0,"c":0,"v":35}