starter Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [10, _] → [9, 1, _]

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Answer: Row2[2]=10, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [9,1,9]
Base
  • 9
  • 1
  • 9
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 10] → [3, 7, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [3,7,3]
Base
  • 3
  • 7
  • 3
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 9] → [6, _, 6]

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Answer: Row2[1]=9, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [9,9]
  • [6,3,6]
Base
  • 6
  • 3
  • 6
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [18, _] → [_, 9, 8]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [18,17]
  • [9,9,8]
Base
  • 9
  • 9
  • 8
TopValue
35
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":1,"v":17}