starter Set 68 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [19, _] → [10, 9, _]

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Answer: Row2[2]=11, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [19,11]
  • [10,9,2]
Base
  • 10
  • 9
  • 2
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 12] → [3, _, 3]

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Answer: Row1[1]=24, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [12,12]
  • [3,9,3]
Base
  • 3
  • 9
  • 3
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 10] → [8, _, 1]

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Answer: Row2[1]=17, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [17,10]
  • [8,9,1]
Base
  • 8
  • 9
  • 1
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 9] → [_, 8, 1]

Show answer

Answer: Row3[1]=3, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [3,8,1]
Base
  • 3
  • 8
  • 1
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":0,"v":11}