starter Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [14, _] → [7, 7, _]

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Answer: Row3[3]=10, Row2[2]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [14,17]
  • [7,7,10]
Base
  • 7
  • 7
  • 10
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [12, 7] → [9, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [12,7]
  • [9,3,4]
Base
  • 9
  • 3
  • 4
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, 12] → [10, _, 4]

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Answer: Row3[2]=8, Row2[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [18,12]
  • [10,8,4]
Base
  • 10
  • 8
  • 4
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 12] → [_, 2, 10]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [3,12]
  • [1,2,10]
Base
  • 1
  • 2
  • 10
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":1,"c":0,"v":3}