starter Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, 9] → [9, 6, _]

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Answer: Row2[1]=15, Row3[3]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [15,9]
  • [9,6,3]
Base
  • 9
  • 6
  • 3
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 12] → [5, _, 3]

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Answer: Row3[2]=9, Row2[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [14,12]
  • [5,9,3]
Base
  • 5
  • 9
  • 3
TopValue
26
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [8] → [3, _] → [2, 1, _]

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Answer: Row2[2]=5, Row3[3]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [8]
  • [3,5]
  • [2,1,4]
Base
  • 2
  • 1
  • 4
TopValue
8
HiddenCells
  • {"r":1,"c":1,"v":5}
  • {"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): [14] → [8, _] → [_, 3, 3]

Show answer

Answer: Row2[2]=6, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [8,6]
  • [5,3,3]
Base
  • 5
  • 3
  • 3
TopValue
14
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":2,"c":0,"v":5}