starter Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, _] → [6, 1, 1]

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Answer: Row2[2]=2, Row1[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [9]
  • [7,2]
  • [6,1,1]
Base
  • 6
  • 1
  • 1
TopValue
9
HiddenCells
  • {"r":1,"c":1,"v":2}
  • {"r":0,"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): [23] → [_, 12] → [_, 3, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [8,3,9]
Base
  • 8
  • 3
  • 9
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"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): [10] → [6, _] → [_, 1, 3]

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Answer: Row2[2]=4, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [6,4]
  • [5,1,3]
Base
  • 5
  • 1
  • 3
TopValue
10
HiddenCells
  • {"r":1,"c":1,"v":4}
  • {"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): [_] → [5, 10] → [2, _, 7]

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Answer: Row3[2]=3, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [5,10]
  • [2,3,7]
Base
  • 2
  • 3
  • 7
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":0,"c":0,"v":15}