starter Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [8, 11] → [_, 4, _]

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Answer: Row3[1]=4, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [8,11]
  • [4,4,7]
Base
  • 4
  • 4
  • 7
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 9] → [4, _, 6]

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Answer: Row2[1]=7, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [7,9]
  • [4,3,6]
Base
  • 4
  • 3
  • 6
TopValue
16
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [10, 10] → [_, _, 8]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [8,2,8]
Base
  • 8
  • 2
  • 8
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 5] → [5, 2, 3]

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Answer: Row1[1]=12, Row2[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [7,5]
  • [5,2,3]
Base
  • 5
  • 2
  • 3
TopValue
12
HiddenCells
  • {"r":0,"c":0,"v":12}
  • {"r":1,"c":0,"v":7}