starter Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [20, 11] → [_, _, 1]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [20,11]
  • [10,10,1]
Base
  • 10
  • 10
  • 1
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 14] → [3, _, 8]

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Answer: Row1[1]=23, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [9,14]
  • [3,6,8]
Base
  • 3
  • 6
  • 8
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":2,"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): [_] → [_, 14] → [10, 5, 9]

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Answer: Row1[1]=29, Row2[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [15,14]
  • [10,5,9]
Base
  • 10
  • 5
  • 9
TopValue
29
HiddenCells
  • {"r":0,"c":0,"v":29}
  • {"r":1,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, 15] → [9, 5, _]

Show answer

Answer: Row2[1]=14, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [14,15]
  • [9,5,10]
Base
  • 9
  • 5
  • 10
TopValue
29
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"c":2,"v":10}