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): [19] → [12, _] → [7, _, 2]

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Answer: Row3[2]=5, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [12,7]
  • [7,5,2]
Base
  • 7
  • 5
  • 2
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 8] → [7, _, 7]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [8,8]
  • [7,1,7]
Base
  • 7
  • 1
  • 7
TopValue
16
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [12, _] → [_, 9, 3]

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Answer: Row3[1]=3, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [12,12]
  • [3,9,3]
Base
  • 3
  • 9
  • 3
TopValue
24
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":1,"v":12}

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

Show answer

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

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