starter Set 98 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [18, _] → [8, _, 9]

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Answer: Row3[2]=10, Row2[2]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [37]
  • [18,19]
  • [8,10,9]
Base
  • 8
  • 10
  • 9
TopValue
37
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [9, _] → [_, 5, 10]

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Answer: Row3[1]=4, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [9,15]
  • [4,5,10]
Base
  • 4
  • 5
  • 10
TopValue
24
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, 10] → [2, _, 9]

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Answer: Row3[2]=1, Row2[1]=3

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [10, 11] → [_, _, 4]

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Answer: Row3[1]=3, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [3,7,4]
Base
  • 3
  • 7
  • 4
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":1,"v":7}