starter Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 10] → [5, 5, _]

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Answer: Row3[3]=5, Row1[1]=20

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [5,5,5]
Base
  • 5
  • 5
  • 5
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"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): [20] → [10, _] → [_, 1, 9]

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Answer: Row2[2]=10, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [9,1,9]
Base
  • 9
  • 1
  • 9
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 11] → [_, 7, 4]

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Answer: Row1[1]=23, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [12,11]
  • [5,7,4]
Base
  • 5
  • 7
  • 4
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 8] → [4, 1, 7]

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Answer: Row2[1]=5, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [5,8]
  • [4,1,7]
Base
  • 4
  • 1
  • 7
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":5}
  • {"r":0,"c":0,"v":13}