starter Set 61 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] → [2, _, 10]

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Answer: Row3[2]=9, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [11,19]
  • [2,9,10]
Base
  • 2
  • 9
  • 10
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 9] → [5, 2, _]

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Answer: Row2[1]=7, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [7,9]
  • [5,2,7]
Base
  • 5
  • 2
  • 7
TopValue
16
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, _] → [8, 3, 8]

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Answer: Row2[2]=11, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [11,11]
  • [8,3,8]
Base
  • 8
  • 3
  • 8
TopValue
22
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [6, _] → [_, 3, 8]

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Answer: Row3[1]=3, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [6,11]
  • [3,3,8]
Base
  • 3
  • 3
  • 8
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":1,"v":11}