starter Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [15, _] → [10, _, 1]

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Answer: Row3[2]=5, Row2[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [15,6]
  • [10,5,1]
Base
  • 10
  • 5
  • 1
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [15, _] → [_, 10, 8]

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Answer: Row2[2]=18, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [15,18]
  • [5,10,8]
Base
  • 5
  • 10
  • 8
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [5, 7] → [2, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [5,7]
  • [2,3,4]
Base
  • 2
  • 3
  • 4
TopValue
12
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"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): [33] → [14, _] → [4, 10, _]

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Answer: Row3[3]=9, Row2[2]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [14,19]
  • [4,10,9]
Base
  • 4
  • 10
  • 9
TopValue
33
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":1,"v":19}