starter Set 86 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, _] → [7, _, 5]

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Answer: Row2[2]=9, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [7,4,5]
Base
  • 7
  • 4
  • 5
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [6, 13] → [_, _, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [6,13]
  • [2,4,9]
Base
  • 2
  • 4
  • 9
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"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): [28] → [14, 14] → [_, 6, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [14,14]
  • [8,6,8]
Base
  • 8
  • 6
  • 8
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [7, _] → [4, 3, _]

Show answer

Answer: Row2[2]=8, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [7,8]
  • [4,3,5]
Base
  • 4
  • 3
  • 5
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":2,"v":5}