starter Set 88 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [15, _] → [_, 9, 6]

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Answer: Row3[1]=6, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [15,15]
  • [6,9,6]
Base
  • 6
  • 9
  • 6
TopValue
30
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [12, 8] → [5, _, _]

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Answer: Row3[2]=7, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [12,8]
  • [5,7,1]
Base
  • 5
  • 7
  • 1
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [_, 7] → [_, 2, 5]

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Answer: Row2[1]=4, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [4,7]
  • [2,2,5]
Base
  • 2
  • 2
  • 5
TopValue
11
HiddenCells
  • {"r":1,"c":0,"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): [10] → [_, 5] → [2, _, 2]

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Answer: Row2[1]=5, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [5,5]
  • [2,3,2]
Base
  • 2
  • 3
  • 2
TopValue
10
HiddenCells
  • {"r":1,"c":0,"v":5}
  • {"r":2,"c":1,"v":3}