starter Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [17, 13] → [_, 7, _]

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Answer: Row3[1]=10, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [17,13]
  • [10,7,6]
Base
  • 10
  • 7
  • 6
TopValue
30
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [15, _] → [8, 7, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [15,9]
  • [8,7,2]
Base
  • 8
  • 7
  • 2
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 12] → [_, 5, 7]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [6,12]
  • [1,5,7]
Base
  • 1
  • 5
  • 7
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"r":2,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [10, 10] → [6, _, _]

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Answer: Row3[2]=4, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [6,4,6]
Base
  • 6
  • 4
  • 6
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":2,"v":6}