starter Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 6] → [7, 2, 4]

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Answer: Row2[1]=9, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [9,6]
  • [7,2,4]
Base
  • 7
  • 2
  • 4
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":0,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, _] → [6, 8, 1]

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Answer: Row2[2]=9, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [14,9]
  • [6,8,1]
Base
  • 6
  • 8
  • 1
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":0,"c":0,"v":23}

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

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Answer: Row2[2]=18, Row1[1]=29

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [11,18]
  • [2,9,9]
Base
  • 2
  • 9
  • 9
TopValue
29
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":0,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 10] → [2, _, 2]

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Answer: Row2[1]=10, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [2,8,2]
Base
  • 2
  • 8
  • 2
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":1,"v":8}