starter Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 18] → [1, _, 10]

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Answer: Row3[2]=8, Row1[1]=27

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [9,18]
  • [1,8,10]
Base
  • 1
  • 8
  • 10
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":0,"c":0,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [8, _] → [5, _, 6]

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Answer: Row3[2]=3, Row2[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [8,9]
  • [5,3,6]
Base
  • 5
  • 3
  • 6
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 18] → [2, _, 9]

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Answer: Row3[2]=9, Row1[1]=29

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 3] → [_, 2, 1]

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Answer: Row1[1]=11, Row3[1]=6

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