starter Set 69 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [10, _] → [6, _, 4]

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Answer: Row2[2]=8, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [10,8]
  • [6,4,4]
Base
  • 6
  • 4
  • 4
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [4, _] → [3, 1, 6]

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Answer: Row1[1]=11, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [4,7]
  • [3,1,6]
Base
  • 3
  • 1
  • 6
TopValue
11
HiddenCells
  • {"r":0,"c":0,"v":11}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 3] → [10, 2, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [12,3]
  • [10,2,1]
Base
  • 10
  • 2
  • 1
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":0,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 6] → [_, 5, 1]

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Answer: Row3[1]=2, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [7,6]
  • [2,5,1]
Base
  • 2
  • 5
  • 1
TopValue
13
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":0,"c":0,"v":13}