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): [15] → [6, _] → [2, 4, _]

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Answer: Row2[2]=9, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [6,9]
  • [2,4,5]
Base
  • 2
  • 4
  • 5
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"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): [19] → [_, 9] → [_, 8, 1]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [10,9]
  • [2,8,1]
Base
  • 2
  • 8
  • 1
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"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): [16] → [_, 6] → [7, 3, _]

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Answer: Row3[3]=3, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [10,6]
  • [7,3,3]
Base
  • 7
  • 3
  • 3
TopValue
16
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, _] → [6, 4, 2]

Show answer

Answer: Row2[1]=10, Row2[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [10,6]
  • [6,4,2]
Base
  • 6
  • 4
  • 2
TopValue
16
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":1,"c":1,"v":6}