starter Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [2, 10] → [1, 1, _]

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Answer: Row1[1]=12, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [2,10]
  • [1,1,9]
Base
  • 1
  • 1
  • 9
TopValue
12
HiddenCells
  • {"r":0,"c":0,"v":12}
  • {"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): [_] → [13, 14] → [_, 9, 5]

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Answer: Row1[1]=27, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [13,14]
  • [4,9,5]
Base
  • 4
  • 9
  • 5
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 8] → [_, 7, 1]

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Answer: Row1[1]=23, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [15,8]
  • [8,7,1]
Base
  • 8
  • 7
  • 1
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [_, 2] → [8, _, 1]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [9,2]
  • [8,1,1]
Base
  • 8
  • 1
  • 1
TopValue
11
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":1,"v":1}