starter Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [7, _] → [6, 1, _]

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Answer: Row3[3]=9, Row2[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [7,10]
  • [6,1,9]
Base
  • 6
  • 1
  • 9
TopValue
17
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, _] → [1, 8, 10]

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Answer: Row2[1]=9, Row2[2]=18

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [_, 17] → [_, 9, 8]

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Answer: Row3[1]=6, Row2[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [15,17]
  • [6,9,8]
Base
  • 6
  • 9
  • 8
TopValue
32
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":1,"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): [21] → [7, 14] → [_, 4, _]

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Answer: Row3[3]=10, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [7,14]
  • [3,4,10]
Base
  • 3
  • 4
  • 10
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":0,"v":3}