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): [_] → [14, 11] → [7, _, 4]

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Answer: Row3[2]=7, Row1[1]=25

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [14,11]
  • [7,7,4]
Base
  • 7
  • 7
  • 4
TopValue
25
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":0,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [10, 10] → [_, 1, _]

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Answer: Row3[3]=9, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [9,1,9]
Base
  • 9
  • 1
  • 9
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 11] → [7, 4, _]

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Answer: Row1[1]=22, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [11,11]
  • [7,4,7]
Base
  • 7
  • 4
  • 7
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"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): [21] → [_, 12] → [6, 3, _]

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Answer: Row2[1]=9, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [9,12]
  • [6,3,9]
Base
  • 6
  • 3
  • 9
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":2,"v":9}