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): [20] → [_, _] → [5, 3, 9]

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Answer: Row2[1]=8, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [8,12]
  • [5,3,9]
Base
  • 5
  • 3
  • 9
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [_, 7] → [3, 1, _]

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Answer: Row2[1]=4, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [4,7]
  • [3,1,6]
Base
  • 3
  • 1
  • 6
TopValue
11
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [11, 10] → [_, _, 1]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [11,10]
  • [2,9,1]
Base
  • 2
  • 9
  • 1
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, _] → [8, 8, 3]

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Answer: Row2[1]=16, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [16,11]
  • [8,8,3]
Base
  • 8
  • 8
  • 3
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":1,"c":1,"v":11}