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): [19] → [_, 13] → [2, _, 9]

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Answer: Row2[1]=6, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [6,13]
  • [2,4,9]
Base
  • 2
  • 4
  • 9
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"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): [12] → [_, _] → [5, 2, 3]

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Answer: Row2[1]=7, Row2[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [7,5]
  • [5,2,3]
Base
  • 5
  • 2
  • 3
TopValue
12
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":1,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [13, _] → [_, 6, 5]

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Answer: Row3[1]=7, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [13,11]
  • [7,6,5]
Base
  • 7
  • 6
  • 5
TopValue
24
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":1,"v":11}

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

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Answer: Row3[2]=3, Row1[1]=10

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