starter Set 42 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [7, _] → [3, 4, _]

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Answer: Row2[2]=14, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [7,14]
  • [3,4,10]
Base
  • 3
  • 4
  • 10
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [18, 16] → [_, 9, _]

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Answer: Row3[3]=7, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [18,16]
  • [9,9,7]
Base
  • 9
  • 9
  • 7
TopValue
34
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":2,"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): [27] → [_, 14] → [_, 7, 7]

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Answer: Row3[1]=6, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [13,14]
  • [6,7,7]
Base
  • 6
  • 7
  • 7
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":1,"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): [16] → [9, 7] → [5, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [9,7]
  • [5,4,3]
Base
  • 5
  • 4
  • 3
TopValue
16
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"c":1,"v":4}