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): [30] → [13, _] → [_, 8, 9]

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Answer: Row2[2]=17, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [13,17]
  • [5,8,9]
Base
  • 5
  • 8
  • 9
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 7] → [8, 3, _]

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Answer: Row1[1]=18, Row3[3]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [8,3,4]
Base
  • 8
  • 3
  • 4
TopValue
18
HiddenCells
  • {"r":0,"c":0,"v":18}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [18, 19] → [_, 9, _]

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Answer: Row3[1]=9, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [37]
  • [18,19]
  • [9,9,10]
Base
  • 9
  • 9
  • 10
TopValue
37
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [10, _] → [3, 7, _]

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Answer: Row2[2]=8, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [10,8]
  • [3,7,1]
Base
  • 3
  • 7
  • 1
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":2,"v":1}