starter Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 9] → [3, 1, 8]

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Answer: Row2[1]=4, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [4,9]
  • [3,1,8]
Base
  • 3
  • 1
  • 8
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"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): [10] → [4, 6] → [2, _, _]

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Answer: Row3[2]=2, Row3[3]=4

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [6, _] → [3, _, 9]

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Answer: Row2[2]=12, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [6,12]
  • [3,3,9]
Base
  • 3
  • 3
  • 9
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, _] → [7, 4, 2]

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Answer: Row2[2]=6, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [11,6]
  • [7,4,2]
Base
  • 7
  • 4
  • 2
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":1,"c":0,"v":11}