starter Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 10] → [9, 9, _]

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Answer: Row2[1]=18, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [18,10]
  • [9,9,1]
Base
  • 9
  • 9
  • 1
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [8] → [5, 3] → [3, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [8]
  • [5,3]
  • [3,2,1]
Base
  • 3
  • 2
  • 1
TopValue
8
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 11] → [_, 9, 2]

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Answer: Row1[1]=26, Row3[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [15,11]
  • [6,9,2]
Base
  • 6
  • 9
  • 2
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, _] → [6, 5, 1]

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Answer: Row2[1]=11, Row2[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [11,6]
  • [6,5,1]
Base
  • 6
  • 5
  • 1
TopValue
17
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":1,"c":1,"v":6}