starter Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [11, _] → [_, 1, 8]

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Answer: Row3[1]=10, Row2[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [10,1,8]
Base
  • 10
  • 1
  • 8
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [8] → [3, 5] → [_, 1, _]

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Answer: Row3[1]=2, Row3[3]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [8]
  • [3,5]
  • [2,1,4]
Base
  • 2
  • 1
  • 4
TopValue
8
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"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): [17] → [8, 9] → [_, 4, _]

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Answer: Row3[1]=4, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [8,9]
  • [4,4,5]
Base
  • 4
  • 4
  • 5
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 11] → [5, _, 3]

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Answer: Row1[1]=24, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [13,11]
  • [5,8,3]
Base
  • 5
  • 8
  • 3
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"r":2,"c":1,"v":8}